Developer Tools Brands

100ms is a live audio/video infrastructure platform with SDKs for rooms, recording, and live streaming embedded into any application....

a0.dev is an AI-powered mobile app builder that lets developers create React Native apps from natural language prompts, dramatically accelerating mobi...

A1Base provides infrastructure APIs for building AI agents with persistent identities, enabling agents to communicate via phone, email, and messaging ...

Abundant is a developer platform for building and deploying AI agents that can autonomously complete long-horizon tasks, providing orchestration, memo...

Marketing automation and CRM platform with $3B valuation; sophisticated email automation workflows for 180K SMB customers competing with Klaviyo and H...

SF open-source AI-first workflow automation at $1.7M ARR Dec 2024 with 450+ integrations and self-hosted option; YC $1.55M competing with Zapier and n...

No-code builder for creating native mobile and web apps with custom databases, user authentication, and external integrations — no coding required....

Agora provides real-time engagement SDKs for voice, video, interactive live streaming, and messaging embedded directly into applications....

Open-source AI pair programming CLI with 39K+ GitHub stars and 4.1M+ installs; processes 15B tokens/week; supports 100+ languages; git-first workflow...

San Francisco open-source data integration platform with 350+ connectors for self-hosted and cloud ELT pipelines; $181M Benchmark and Accel-backed at ...

Alchemy is the leading Web3 developer platform powering 70% of top Ethereum applications, providing blockchain APIs, smart contract infrastructure, an...

Algolia is the AI-powered search and discovery platform that handles 1.75+ trillion API searches annually, helping businesses deliver fast, relevant s...

Q4 2024 automation revenue up 15-16% YoY; 2025 H1 automation grew 15%; Red Hat contributed 3.5 percentage points of organic software growth; Red Hat a...

Appcues is a no-code user onboarding platform for building in-app walkthroughs, checklists, and adoption flows without engineering work....

San Jose APM/full-stack observability acquired by Cisco $3.7B 2017, now in Splunk portfolio post-Cisco's $28B Splunk acquisition 2024; Smart Agent lau...

Applitools is an AI-powered visual testing and monitoring platform that uses Visual AI to detect UI regressions across browsers, devices, and screen s...

AppSignal is an application performance monitoring and error tracking platform built for Ruby on Rails, Elixir, and JavaScript apps....

Open-source low-code framework for building custom internal applications and admin interfaces by connecting data sources with a visual UI builder and ...

Tel Aviv cloud-native security platform at $89.9M revenue (+30%) with Trivy open-source scanner and CNAPP for Kubernetes/container/cloud; $325M raised...

Arcade creates interactive, clickable product demos from screenshots that SaaS companies embed on websites and in sales outreach to showcase features ...

Bucharest AI documentation platform for software teams with GPT-4 write assist and AI Q&A; YC W21 $4.04M at $2M revenue competing with GitBook and Con...

Leading AI observability and evaluation platform. Founded 2020, Berkeley CA. $131M total funding. Open-source Phoenix has 2M+ monthly downloads. Priva...

Artillery is a modern open-source load testing and smoke testing tool built for cloud-native architectures, supporting HTTP, WebSockets, and custom pr...

Enterprise AI coding platform with 400K+ file context engine. $252M raised; ISO 42001 certified. Launched Intent multi-agent desktop workspace in Feb ...

AI coding assistant for enterprise teams. Eric Schmidt-backed. Raised $252M. Code Review agent #1 on benchmarks. Intent desktop launched Feb 2026. Fou...

User research repository and AI insights platform for research teams. Remote-first, raised $4M+, helps teams organize and surface research findings....

SF YC S23 LLM observability and evaluation platform with SDK logging and model grade evaluation; $500K YC seed with 2-person team competing with LangS...

Beamer is a product changelog and in-app notification center for teams to announce updates, new features, and promotions directly inside their product...

Enterprise no-code application development platform for building, deploying, and managing business-critical applications without traditional software ...

Atlassian's Git repository with native Jira integration; Bitbucket Pipelines CI/CD for enterprise teams committed to Atlassian stack, competing agains...

Blameless is a site reliability engineering platform providing integrated incident management, SLO tracking, and retrospective tools for engineering t...

Bluejay is a developer tools platform providing data lineage, observability, and pipeline monitoring capabilities to help data engineering teams ensur...

BoxyHQ provides open-source enterprise security components including SAML SSO, directory sync, and audit logs that SaaS companies can self-host or use...

AI observability and eval platform for production AI. $800M valuation after $80M Series B (Feb 2026). Clients: Notion, Cloudflare, Ramp. Founded 2023,...

Browser Use is an open-source Python library that enables AI agents to control web browsers, making it easy for LLMs to interact with any website thro...

Mumbai cloud testing platform at $381.4M revenue 2024 (+24.5% YoY) serving 50K+ companies including Google/Microsoft/Amazon; $253M total ($200M Bond C...

Open-source offline-first API client with git-native Bru file storage; solo-founded, declined 8 VC offers, competing with Postman and Insomnia for dev...

Open-source low-code platform for building, self-hosting, and automating internal tools and business apps with full control over data and infrastructu...

Developer platform for Protocol Buffers providing schema registries, linting, breaking change detection, and RPC tooling....

SmartBear-acquired (2021) error monitoring platform detecting and diagnosing crashes in web and mobile apps; $17.5M originally from Matrix and Google ...

San Francisco Bazel enterprise remote execution and build caching platform; YC-backed at $10.1M revenue with 17 employees competing with EngFlow as th...

Hybrid CI/CD platform with $100M raised; customer-run build agents keep code off Buildkite servers, serving Shopify and Twitch at massive scale with e...

Bump.sh is an API changelog and breaking change detection platform that automatically diffs OpenAPI specs on every deploy and notifies API consumers o...

Bunnyshell is an Environments as a Service platform that provisions ephemeral full-stack environments for every pull request on any cloud infrastructu...

Cadence Design (CDNS) reported $4.6B revenue in FY2024, up 13% YoY. #2 EDA software company. Essential for AI chip design. ~10,000 employees. HQ: San ...

Camtasia is TechSmith's professional screen recording and video editing software for creating training videos, tutorials, and product demos on Windows...

Canny is a user feedback management platform for capturing feature requests, prioritizing with voting, and publishing product roadmaps....

No-code sales commission management platform automating complex incentive plans; real-time rep commission visibility with $100M Series C competing wit...

Castari is a no-code AI workflow builder that lets non-technical teams create automated data pipelines and AI-powered processes without writing code....

Cerbos is an open-source authorization platform that externalizes and centralizes access control logic, eliminating authorization code scattered acros...

Chameleon is a product adoption platform for building and targeting in-app tours, tooltips, and microsurveys without writing code....

Chromatic is a visual testing and review platform for Storybook that automates UI regression detection and streamlines component review workflows....

CI/CD pipeline automation platform acquired in LBO; configuration-as-code build and test automation competing with GitHub Actions and GitLab CI for en...

Raised $21M seed (Jun 2025) led by Energy Impact Partners. Founded by Cisco, AWS, and Gigamon veterans holding 84 patents. Multi-domain AI SRE spannin...

Claude Code launched February 2025 as Anthropic's agentic coding CLI — the first major AI coding tool to operate autonomously in the terminal without ...

Clerk is the authentication and user management platform for developers, making it easy to add sign-up, sign-in, and user management to any applicatio...

Open-source autonomous AI coding agent for VS Code. 5M+ installs. Pioneered agentic plan-and-execute workflows. Raised $32M. Founded 2024, Sacramento....

CloudApp is a visual communication platform for creating and sharing annotated screenshots, GIFs, and screen recordings instantly from Mac and Windows...

Codat is a financial data integration platform enabling fintech companies to access SMB accounting, banking, and commerce data through a unified API....

Raised $125M Series B led by Salesforce Ventures. Verifiable AI-powered translation of legacy code between languages....

Codegen is an AI coding agent platform that automates software development tasks end-to-end, from understanding GitHub issues to writing, testing, and...

Acquired by Cognition July 2025; $40M ARR; $243M funding; $2.85B valuation; 700K developers; 1,000+ enterprise customers; 100B tokens daily; AI code c...

Open-source platform for self-hosted cloud development environments that run on any cloud or on-premises infrastructure....

CommandBar is an in-app user assistance platform providing AI-powered command palettes, product tours, and contextual help to improve user engagement....

Open-source AI coding assistant for VS Code and JetBrains. $5M seed from Heavybit and YC. Hub for sharing custom assistants. Launched 1.0 Feb 2025....

Convex is a reactive backend platform providing a real-time database, serverless functions, and file storage in a single TypeScript-native developer e...

Coolify is an open-source self-hostable PaaS for deploying applications, databases, and services on your own servers....

Internal developer portal for service catalog and engineering ops. Founded 2019, SF (ex-Uber). $112M raised at $470M valuation. Y Combinator grad. Pri...

ByteDance's no-code AI agent builder platform. Coze 2.0 (Jan 2026) with Skills Marketplace. Open-sourced Coze Studio and Loop (Jul 2025). Multi-channe...

CrateDB is a distributed SQL database optimized for machine data, IoT time series, and high-ingestion analytics workloads requiring real-time query pe...

Fastest-growing AI agent framework 2025-2026; 30K+ GitHub stars; used in most enterprise multi-agent implementations. CrewAI+ enterprise platform for ...

$2.3B raised at $29.3B valuation; $2B+ ARR (Q1 2026); used by 50%+ of Fortune 500. Dominant commercial AI coding tool; built on VSCode fork with nativ...

Cyclops is an open-source developer UI for Kubernetes that lets platform teams define module templates developers use to deploy without YAML knowledge...

October 2024: $17.8M revenue (up from $14.2M Dec 2023); December 2020: $40M Series B led by OpenView at $255M valuation; Total funding: $54.8M...

Open-source programmable CI/CD engine that runs pipelines in containers. Founded by Docker creator Solomon Hykes; supports 8 language SDKs....

Raised $110M Series B at $1B valuation (Mar 2026) led by Balderton Capital. 600+ enterprise customers including Zalando and Taco Bell. OpenTelemetry-n...

Databend is an open-source cloud-native data warehouse written in Rust providing a cost-effective Snowflake-compatible alternative for large-scale SQL...

Cloud observability leader with $2.68B ARR; 750+ integrations; expanding into AI/LLM monitoring as enterprises instrument generative AI workloads at s...

Data observability platform for automated pipeline change validation; Column-level lineage and Datadiff for dbt engineers to detect data quality regre...

NY no-code collaborative database with workflow automation received M&A offer April 2025; YC W20 $1M revenue competing with Airtable and Notion for bu...

Daytona is an open-source development environment manager that standardizes and automates workspace provisioning across any infrastructure....

Delty is an AI-powered testing and QA automation platform that generates and maintains test suites from natural language, reducing the manual effort o...

Descope provides a no-code authentication flow builder combined with authentication SDKs, enabling product teams and developers to collaborate on logi...

DevCycle is a real-time feature management platform with OpenFeature-compatible SDKs for progressive delivery and instant flag updates....

Cloud development environment platform giving engineering teams fast, fresh environments that mirror production for every developer....

Open-source LLM app development platform. 80K+ GitHub stars, 1.4M+ deployments. Raised $30M Pre-A at $180M valuation (March 2026). Private....

$207M ARR 2024 (+25% YoY); $2.1B valuation (15x revenue); 1M+ paid subscriber seats; Container market: $6.12B (2025) → $16.32B (2030), 21.67% CAGR; Do...

$207M ARR 2024 (+25% YoY from $165M); 1M+ paid subscriber seats; 7M developers; 11B images pulled/month; 100K+ images hosted; 1B+ downloads for top im...

Docket is an AI meeting intelligence platform that captures, transcribes, and analyzes conversations to generate action items, decisions, and follow-u...

Document360 is a knowledge base platform for SaaS companies to build self-service help centers, internal wikis, and technical documentation with AI-po...

$100M ARR Feb 2025 (+61% YoY from $59M 2023); $2B valuation Dec 2022; $420M+ total funding; 7,000 customers (+55% YoY); 23 compliance frameworks; cust...

Low-code platform for building internal tools and business apps that connects databases and APIs with a visual builder, enabling teams to automate wor...

Open-source build automation tool that runs builds in containers for reproducibility across local and CI environments....

Embrace is a mobile observability platform providing session replay, performance monitoring, and crash reporting for iOS and Android apps....

Emergent is an AI developer platform providing tools, APIs, and infrastructure for building, deploying, and monitoring production AI applications and ...

Open-source backend development platform that generates infrastructure and boilerplate from type-safe service definitions....

Raised $60M seed at $300M valuation (Feb 2026) — record-largest developer tools seed round. Led by Felicis with Microsoft M12, Madrona. Founded by Tho...

Eppo is a warehouse-native experimentation platform combining feature flagging with rigorous statistical analysis directly inside your data warehouse....

Bushel-acquired (2020) farm management platform for crop tracking, satellite field monitoring, and profitability analysis; originally a16z-backed YC W...

Featurebase is a modern product feedback tool combining changelog, roadmap, and feature voting in a clean interface for SaaS teams....

BigCommerce (NASDAQ: BIGC) product feed management platform for 100+ shopping channels acquired for $145M; Google Shopping, Amazon, and Facebook Catal...

Fillout is a powerful form builder with Notion database integration, conditional logic, and payment collection for teams and creators....

FireHydrant is an incident management platform that automates runbooks, retrospectives, and stakeholder communication during production incidents....

Open-source feature flagging platform bootstrapped to $1M+ ARR serving Citi Bank and UnitedHealth Group; self-hostable LaunchDarkly alternative at dra...

Flightcontrol is a YC-backed deployment platform that provisions and manages AWS infrastructure for developers without requiring AWS expertise....

Flood is a cloud-based load testing platform by Tricentis that lets teams run large-scale performance tests using JMeter, Gatling, or k6 scripts on ma...

Google-acquired visual Flutter app builder generating native iOS/Android/web code; drag-and-drop interface with Firebase integration competing with Bu...

Folk is a lightweight modern CRM for founders, investors, and small teams managing relationships without the overhead and complexity of enterprise CRM...

Formbricks is an open-source survey and experience management platform for in-app, website, and email feedback collection, with self-hosting and a no-...

No-code website builder reaching $50M ARR in August 2025 at $2B valuation with 500K MAU; used by 40% of YC's latest batch and Perplexity competing wit...

Frontegg is a user management platform for B2B SaaS companies providing login, SSO, multi-tenancy, and admin portal features as embeddable components....

FullStory is a digital experience intelligence platform capturing every user interaction to analyze and optimize UX at enterprise scale....

Platform automating Kubernetes-based development and testing workflows to give developers fast, production-like environments....

GitBook is a collaborative documentation platform with Git-sync that lets engineering and product teams write, version, and publish beautiful docs fro...

Microsoft (MSFT) GitHub-native CI/CD platform with 20,000+ marketplace Actions for build, test, and deploy automation; leveraging 100M+ GitHub develop...

20M+ users; deployed in 90% of Fortune 100; $2B+ ARR. GitHub Copilot Workspace enables repo-level AI agents. Most-used AI coding tool by total user co...

NASDAQ-listed (GTLB) DevOps platform with source code, CI/CD, security, and project management in one application; competing with GitHub (Microsoft) f...

Cloud development environment platform with ephemeral automated workspaces from any browser; $25M Series A from General Catalyst competing with GitHub...

No-code platform that turns Google Sheets and Excel spreadsheets into mobile apps and internal portals without writing any code....

Free AI-native UI design tool from Google Labs. Generates multi-screen app UIs from text, image, sketch, or voice input with exportable HTML/CSS code....

Open-source AI coding agent by Block (Square/Cash App). 27K+ GitHub stars, 350+ contributors; uses Model Context Protocol; Apache 2.0 licensed....

Grafbase is a globally distributed GraphQL platform for building and deploying data APIs with edge caching, real-time subscriptions, and a schema-firs...

Grain is an AI meeting recording and intelligence platform that captures key moments, generates summaries, and syncs insights to CRM automatically....

Open-source API management platform. Expanding into Kafka governance and agentic AI oversight. $60M Series C (May 2025). $125M+ raised. Founded 2015, ...

Raised $35M Series B (Apr 2025) led by Zeev Ventures. 500%+ ARR growth. Zero instrumentation via eBPF. 'Bring Your Own Cloud' data sovereignty model. ...

Guidde uses AI to generate video documentation and how-to guides from screen recordings, auto-adding voiceover, captions, and annotations for any soft...

Enterprise AI platform with $1.7B valuation; open-source AutoML and Driverless AI for explainable ML in banking and insurance competing with DataRobot...

Hamming AI is a voice AI evaluation platform that helps developers test, score, and improve AI phone agents through automated simulation and quality b...

Harness is the AI-native software delivery platform that accelerates CI/CD pipelines with intelligent test selection, deployment automation, and AI-as...

Feb 2025: IBM completed $6.4B acquisition at $35/share; integrated into IBM's hybrid cloud portfolio...

Hatchet is a distributed task queue and workflow orchestration platform for managing background jobs at scale with fault tolerance....

Autonomous project management tool with AI that automatically updates tasks and manages workflows for engineering and product teams....

Highlight.io is an open-source full-stack monitoring platform combining session replay, error tracking, and logging for web applications....

SF composable CDP and reverse ETL at $1.2B valuation syncing data warehouse segments to 200+ tools including Salesforce, Braze, and Facebook Ads; $80M...

Honeybadger is an error monitoring and uptime platform for Ruby, Python, and JavaScript applications with application checks and alerting....

Open-source browser-based API testing platform with 500K+ developers; $3M seed from OSS Capital competing with Postman as a lightweight, self-hostable...

Embedded iPaaS enabling SaaS companies to build native user-facing integrations; 250+ pre-built connectors with full data control competing with Parag...

Hotjar is a user behavior analytics platform providing heatmaps, session recordings, and feedback surveys to improve UX and conversion....

Humanitec is a platform orchestrator that lets platform teams define Dynamic Configuration Management for internal developer platforms without custom ...

London LLM evaluation and prompt management platform (Gusto, Vanta, Duolingo customers) acquired by Anthropic 2024; YC W20 $7.9M Index Ventures-backed...

Hyperspell is an AI writing and document intelligence platform that helps teams create, edit, and manage complex long-form documents with AI-assisted ...

Raised $62M Series B at $400M valuation (Apr 2025) led by Insight Partners. Customers include Netflix, Ramp, Linear, Etsy. Built by ex-Monzo engineers...

InfluxData is the creator of InfluxDB, the world's most popular open-source time series database used for metrics, events, and real-time analytics at ...

Inline Manual is a digital adoption platform for creating interactive walkthroughs, tooltips, and in-app support articles within enterprise software....

Inngest is an event-driven serverless function platform for building reliable background jobs, scheduled tasks, and fan-out workflows....

Kong-acquired (2019) open-source API testing and development platform with 1M+ users; Insomnia 10 added AI Runner, competing with Postman for the API ...

Interfere is an AI-powered API integration platform that automatically generates and maintains API connectors, eliminating the manual coding required ...

47.78% CI/CD market share 2025; 64,517 companies using Jenkins globally; 200,000+ active installations; 11M+ developers; Jenkins Pipeline usage +79% (...

No-code platform for building custom internal tools, workflows, and databases without coding; YC-backed with $1.7M revenue competing with Airtable and...

SF YC W20 no-code internal tool builder at $1.1M revenue 2024 (from $408K in 2021); 8-person team competing with Retool and Appsmith for operations te...

JetBrains reported estimated $700M+ revenue in 2024. 2,000+ employees. Prague, Czech Republic. Private company. Created IntelliJ IDEA, PyCharm, WebSto...

San Francisco open-source event data integration pipeline for real-time warehouse routing; YC W20-backed $2.15M seed competing with Twilio Segment and...

June is a product analytics platform built for B2B SaaS companies tracking company-level engagement, feature adoption, and retention....

k6 is an open-source load testing tool by Grafana Labs that lets developers script performance tests in JavaScript and run them from the CLI or CI/CD ...

Katalon is a comprehensive test automation platform supporting web, API, mobile, and desktop testing with both codeless and scripted modes....

Kernel is an AI-powered data engineering platform that automates pipeline creation, data transformation, and schema management, helping data teams mov...

Open-source orchestration platform. $36M raised ($25M Series A Mar 2026). 26K+ GitHub stars. 2B workflows executed (2025). 25x enterprise revenue grow...

No-code platform for building online databases and web applications from structured data, with flexible views, user roles, and workflow automation....

Koala turns product usage signals into pipeline intelligence, surfacing intent data for sales teams from free trial and freemium user activity....

Koyeb is a serverless cloud platform for deploying containerized applications globally with automatic scaling and edge caching....

CNCF open-source container orchestration standard used by 78%+ of cloud-native organizations; Google-originated declarative infrastructure platform co...

LambdaTest is a cloud testing platform that provides cross-browser, cross-device, and automated testing infrastructure for web and mobile applications...

Last9 is a high-cardinality observability platform purpose-built for reliability engineering and SRE workflows at scale....

Open-source AI agent framework (formerly MemGPT). Three-tier persistent memory. $10M seed from Felicis. Letta Code #1 on Terminal-Bench. Jeff Dean bac...

London open-source dbt-native BI platform with 7x revenue growth serving 5,000+ teams; $19.4M Accel-backed competing with Looker and Metabase for deve...

Cloud POS and commerce platform with $900M revenue for specialty retail and restaurants; 130K locations with advanced inventory and table management c...

Mobile-first CMMS for tracking work orders, assets, and preventive maintenance schedules, giving maintenance teams real-time visibility and managers d...

Liveblocks provides collaborative editing infrastructure APIs enabling developers to add real-time presence, multiplayer editing, and comments to any ...

Loft Labs builds vcluster, an open-source virtual Kubernetes cluster tool, and a commercial platform for multi-tenant Kubernetes self-service....

LogRocket is a frontend monitoring and session replay platform combining logs, network requests, and user recordings for faster debugging....

Fastest company ever to $100M ARR (8 months from launch); $200M+ ARR by Q1 2026. $330M Series B at $6.6B valuation. The face of the 'vibe coding' move...

Lyssna is a remote user research platform offering preference tests, first-click tests, and prototype reviews, formerly known as UsabilityHub....

AI-native test automation platform. Founded 2017, Boston. ~$17.9M revenue (2024). $77M total funding. GenAI testing features seeing 700% usage growth....

Maestro is a YC-backed open-source mobile UI testing framework that uses a simple YAML-based syntax to write reliable end-to-end tests for iOS and And...

San Francisco multi-channel notification infrastructure API with pre-built in-app inbox, email, push, and Slack routing; YC W21-backed at $1.2M revenu...

Adobe-owned ($4.75B acquisition) enterprise B2B marketing automation with email, lead scoring, and ABM; competing with HubSpot and Salesforce Marketin...

Open-source TypeScript AI agent framework from ex-Gatsby team. 22K+ GitHub stars, 300K weekly npm downloads; used by Replit, Marsh McLennan, and SoftB...

Maze is a product research platform for running unmoderated usability tests, prototype testing, and user surveys at scale inside one workflow....

Open-source fast search API providing instant, typo-tolerant search for developers to embed in applications....

Mem0 is an open-source memory layer and developer framework that gives AI agents persistent long-term memory across conversations and sessions. HQ: Sa...

No-code membership and authentication platform for Webflow sites adding user accounts and gated content without code; YC and Google Gradient Ventures ...

Merge provides a single unified API giving SaaS products access to 200+ HR, ATS, accounting, and CRM integrations through one normalized data model....

Mezmo (formerly LogDNA) is a log management and data pipeline platform that helps engineering teams collect, process, and route observability data at ...

Mia-Platform is an Internal Developer Platform from Milan that orchestrates microservices, CI/CD, and infrastructure into a unified self-service porta...

Paris-based no-code agentic automation for IT/cybersecurity. 4,000+ tool integrations. Backed by Thales and Datadog co-founder. Raised ~$5.5M. Founded...

JupyterLab spreadsheet extension auto-generating Python code from Excel-like data manipulations; $5.7M YC W20-backed helping financial and life scienc...

Mux is the video API platform powering Vimeo, Robinhood, CBS, and TED with streaming infrastructure and analytics, generating $46M revenue in 2024 and...

n8n is the open-source workflow automation platform that combines 70+ LangChain AI nodes with 400+ app integrations, offering self-hosted and cloud de...

Observability platform taken private by Francisco Partners for $6.5B; unified APM, logs, and traces with generous free tier and New Relic AI natural l...

Northflank is a developer platform for deploying containerized applications with built-in pipelines, managed databases, cron jobs, and preview environ...

Novu is an open-source notification infrastructure platform with a unified API for email, SMS, push, and in-app notifications across any provider....

Nx is an open-source monorepo build system and developer platform that speeds up builds with intelligent caching, dependency graph analysis, and distr...

Omnara is an AI-powered developer documentation platform that automatically generates, maintains, and enriches technical docs from code, keeping docum...

SF YC-backed open-source visual IDE editing live React/Next.js/Tailwind apps directly with code sync — "Cursor for designers"; bridging design-dev gap...

OpenAI developer API platform with GPT-4o, o-series reasoning, and Sora; billions of monthly API calls competing with Anthropic, Google Gemini, and Me...

Viral open-source AI agent framework by Peter Steinberger. 247K GitHub stars in weeks; founder joined OpenAI Feb 2026. Adapted for robotics applicatio...

Palo Alto DevSecOps orchestration platform at $51.3M raised ($20M Prosperity7 Series B 2025); Hummingbird AI autonomous agents Oct 2025 with 200% reve...

OpsLevel is a developer portal and service catalog for tracking service ownership, maturity scorecards, and production readiness across microservices....

#1 UI-Bench ranked AI full-stack app builder generating complete applications from text prompts; V2 released September 2025 outperforming Bolt, Lovabl...

Oxide Computer raised $200M Series C in February 2026 for its rack-scale private cloud server that ships full-stack hardware and software as a single ...

Pabbly is a subscription billing and workflow automation suite with email marketing, form builder, and app integration tools for small businesses....

Incident management and operations cloud with $470M revenue serving 26K customers; AIOps alert correlation and automated runbooks for on-call engineer...

Native macOS API testing client acquired by RapidAPI; performance-native alternative to Postman with OAuth, code generation, and deep response visuali...

Permit.io provides authorization as a service with a policy editor, audit logs, and SDKs that decouple permissions from application code for any stack...

Pirsch is a privacy-friendly, cookie-free website analytics platform providing GDPR-compliant visitor insights without storing personal data....

Open-source project management tool for software teams offering a self-hostable alternative to Jira and Linear....

Redwood City cloud FP&A platform for mid-market finance teams with budgeting, forecasting, and Planful Predict AI; Accel-KKR-backed competing with Wor...

Plausible Analytics is an open-source, privacy-first web analytics alternative to Google Analytics with no cookies and no personal data collection....

Microsoft open-source browser testing framework with auto-waiting and cross-browser support for Chromium, Firefox, and WebKit; millions of monthly dow...

Plural is an open-source application deployment platform that installs and manages production-grade open-source tools on customers' own Kubernetes clu...

Raised $100M Series C at $800M valuation (Dec 2025) led by General Atlantic. 300% YoY revenue growth. Customers include GitHub, Visa, British Telecom....

World's leading API development platform with 30M+ developers; $433M raised at $5.6B valuation competing with Hoppscotch and Apidog after 2023 develop...

PSA platform for agencies and consultancies; project management, resource planning, and profitability reporting in one tool for 1,500+ service firms c...

ProductLane is a product management tool connecting customer feedback directly to Linear issues for closing the feedback loop....

AI documentation agent auto-updating customer docs from PRs, support tickets, and Slack for startups and Fortune 500; contributed to Ansible, Prefect,...

Seattle IaC platform enabling AWS/Azure/GCP infrastructure in Python, TypeScript, and Go; $41M NEA-backed competing with Terraform for 150,000+ develo...

Managed QA testing service guaranteeing 80% e2e test coverage in 4 months. Founded 2019, Seattle. Raised $56.4M. $27M revenue. Private....

Raised $70M Series B for AI code verification. #1 Martian Code Review Bench. $120M total (March 2026)....

Qovery is a developer self-service platform that deploys applications on customers' own AWS, GCP, or Azure accounts without requiring DevOps expertise...

Targeted micro-survey and user feedback platform for websites and mobile apps. Remote-first, part of ProProfs, 300M+ monthly users reached....

AI documentation platform that tests and auto-improves stale API docs for hypergrowth companies; multi-agent system with browser automation for screen...

London YC W20 fastest-growing open-source time-series database with 15K+ GitHub stars; $14.4M total ($12M Series A Nov 2021) with SIMD vector SQL serv...

Railway is the developer infrastructure platform that makes deploying applications as simple as pushing to GitHub, offering instant cloud deployments ...

Ranorex is a test automation platform for desktop, web, and mobile applications with a codeless recorder and full C# scripting for enterprise QA teams...

Largest API marketplace with 4M developers and thousands of API providers; unified discovery, testing, and management for public and enterprise intern...

London YC W20 developer productivity launcher at $47.8M total ($30M Atomico Series B Sep 2024); hundreds of thousands of daily active users on Mac wit...

ReadMe is an API documentation platform with live in-browser API testing, personalized developer hubs, and usage analytics showing which endpoints dev...

Redocly is an enterprise OpenAPI toolchain providing linting, governance, bundling, and beautiful three-panel reference docs for API-first companies m...

San Francisco AI sales content platform generating personalized prospecting sequences for SDR teams; $12M Susa Ventures backed competing with Lavender...

US Sequoia-backed Environments as a Service (EaaS) for development teams; creates ephemeral environments per pull request using environments-as-code A...

Cloud platform for running thousands of open-source AI models via simple API without GPU infrastructure; a16z and YC backed competing with Hugging Fac...

SF AI coding platform with Replit Agent building full-stack apps from natural language for 35M+ users; $97.4M a16z-backed at $1.16B valuation competin...

Raised $125M Series A at $1B valuation (Feb 2026) led by Lightspeed. Founded by OpenTelemetry co-creators. Autonomously identifies, diagnoses, and res...

Retool is the leading low-code platform for building internal tools, used by 5,000+ companies including Amazon, DoorDash, and Brex to build custom int...

Real-time error monitoring platform capturing production exceptions with full stack traces; intelligent error grouping and priority scoring competing ...

Interactive notebook platform for making Markdown runbooks executable in VS Code and the terminal for DevOps and developer workflows....

S2 is an AI security research and vulnerability management platform that helps security teams continuously discover, prioritize, and remediate vulnera...

SavvyCal is scheduling software that lets recipients overlay their own calendar on proposed times, making meeting booking genuinely collaborative....

Scalar is an open-source API documentation and testing platform providing a modern alternative to Swagger UI with a beautiful reference renderer, API ...

PSA platform for agencies and consultancies with project-to-profit financial visibility; resource planning, time tracking, and billing integrated for ...

Screeb is a product analytics and in-app survey platform combining session replay with targeted micro-surveys to capture user feedback in context....

Screencastify is a browser-based screen recorder and video editor for educators and students to create, share, and submit video content directly in Ch...

Scribe automatically creates SOPs, training guides, and process documents from screen recordings, turning any workflow into a shareable step-by-step d...

Open-source browser automation framework powering most enterprise web test suites; WebDriver standard API in Java/Python/JavaScript competing with Pla...

CI/CD platform with cloud, open-source self-hosted, and enterprise editions; Linux Foundation Silver Member competing with GitHub Actions and CircleCI...

Sendbird provides in-app chat, voice, and video APIs that power real-time communication for 4,000+ apps including DoorDash, Yahoo Sports, and Hinge, h...

Open-source error tracking platform used by 100K+ organizations; production exception capture with stack traces expanding into performance monitoring ...

Project management platform built specifically for software development teams with stories, epics, and sprint planning....

SF Kubernetes testing platform creating ephemeral Sandboxes deploying only changed services within existing clusters; $4.15M Redpoint/YC-backed cuttin...

SmartBear is a software quality company offering a suite of API testing, visual testing, performance testing, and test management tools used by enterp...

Snagit is TechSmith's professional screen capture and annotation tool for creating visual documentation, tutorials, and support content on Windows and...

Developer security platform with $7.4B valuation; dependency, code, and container vulnerability scanning in CI/CD pipelines competing with GitHub Adva...

No-code platform for building client portals, internal tools, and web apps directly from Airtable and Google Sheets data without writing code....

Leading static code analysis platform scanning 30+ languages for bugs and security vulnerabilities; CI/CD quality gates used by 500K+ organizations co...

Code intelligence platform with universal code search (54B+ lines indexed). Founded 2013, SF. $223M raised. $50M revenue (Mar 2025). Split into Source...

Raised $15M Series A (Jan 2026) led by FPV Ventures with GV. $37.5M total. 3,000+ users, 7,250 SDKs generated (575% YoY growth). MCP Platform for buil...

Kubernetes performance testing platform capturing real production traffic for realistic load tests; $19.6M raised from Grotech Ventures serving Sephor...

SF/Chile YC W21 browser-based collaborative 3D design platform at $32M total ($16M Third Point/Gradient Series A Jun 2024) and $55M valuation; no-code...

Sprig is an in-product user research platform for capturing feedback through targeted surveys and video interviews inside live products....

Spur is an AI-powered end-to-end testing platform that generates and runs browser tests from natural language, making comprehensive web application te...

SRE.ai applies AI-driven site reliability engineering automation to reduce alert fatigue, accelerate incident response, and help engineering teams mai...

No-code AI workflow builder. HIPAA/SOC2/GDPR compliant. $16.6M raised. Serves finance, insurance, education, government. Founded 2021, Cambridge MA....

Data journalism platform distributing fact-based stories to 3,000+ media partners; public dataset content syndication plus Stacker Studio brand conten...

Stagewise is an AI-powered frontend development tool that connects browser DevTools to AI coding agents, letting developers make UI changes directly f...

Stainless generates idiomatic, production-ready SDKs in multiple languages from an OpenAPI spec, eliminating the manual work of building and maintaini...

Stakater provides Kubernetes platform engineering services and open-source tooling including Reloader and Forecastle for production cluster operations...

Cloud hotel PMS with mobile check-in and digital room key; tablet-first staff experience replacing legacy front desk terminals competing with Oracle O...

Stonly is an interactive guide and knowledge base platform for creating step-by-step onboarding flows and self-service support for customers and emplo...

Stoplight is an API design platform enabling design-first development with a visual OpenAPI editor, style guide enforcement, mock servers, and collabo...

Paris open-source headless CMS with $49M funding (CRV/Nat Friedman Series B Jun 2022); 100% JavaScript/TypeScript, developer-first with Strapi Cloud m...

Stytch provides flexible authentication APIs for developers building consumer and B2B products, with a focus on passwordless login and modern auth exp...

Zero-code eBPF network tracer giving backend teams full request visibility without instrumentation; YC-backed with 2.5K GitHub stars used by YC compan...

Supabase is the open-source Firebase alternative built on PostgreSQL, providing developers with a full backend including database, authentication, sto...

Supademo is a YC-backed interactive demo platform using AI to create, personalize, and share product demos from screen captures in minutes....

Superglue is an AI API integration platform that automatically generates and maintains API connectors from documentation, enabling teams to connect an...

Mobile paywall A/B testing platform enabling remote optimization without app updates; 100M monthly views generating $50M in subscription revenue for c...

SF webhooks-as-a-service platform delivering billions of webhooks with reliability guarantees for Fortune 500 to startups; YC W21 $13M a16z Series A c...

World's most widely used API documentation toolset powering interactive OpenAPI docs; Swagger UI and Editor as open-source foundation for SmartBear's ...

Swimm keeps code documentation linked directly to source code so docs auto-update when code changes, eliminating stale documentation that misleads dev...

$30M revenue 2024; $90M valuation; $20.5M funding; 130 employees; Atlassian/Box/DocuSign customers; Bain Capital investment; hybrid event platform lea...

Synopsys (SNPS) reported $6.1B revenue in FY2024, up 15% YoY. World's #1 EDA software company. Critical for AI chip design. ~20,000 employees. HQ: Sun...

Tel Aviv AI code assistant at $67.4M funding (Telstra/Atlassian Series B) with 1M+ users and enterprise on-premise deployment; Gartner Visionary 2025 ...

Tango auto-generates step-by-step how-to guides with annotated screenshots directly from browser actions, eliminating manual documentation work for te...

Teller is a US banking API providing direct connections to bank accounts with instant data access, balance checks, and payment initiation without scre...

Chicago CPaaS with owned global IP network for voice, messaging, SIP trunking, and IoT eSIM APIs; $60M+ Salesforce Ventures/ICONIQ-backed competing wi...

Acquired by IBM $6.4B Feb 2025 (HashiCorp); $646M revenue expected FY25; 500M+ downloads; 85% Fortune 500; integrated with Red Hat Ansible; IaC leader...

Testim is an AI-powered test automation platform by Tricentis that uses machine learning to author, stabilize, and maintain UI tests across web applic...

TestRail is a web-based test case management platform by Idera that helps QA teams organize test cases, plan runs, and report on testing progress....

$98M funding ($50M Series C Jan 2024 Fin Capital); $60.4M revenue 2024; 232 employees; Inc. 5000 #427 2024; G2 Leader Summer 2025 (6 categories); SOC2...

Developer platform for Kubernetes-based microservices development that provides live auto-updating environments and team development intelligence....

UK YC web-to-desktop Electron platform at $5M ARR Jun 2024 with 2 employees and $150K total funding; exceptional capital efficiency converting web app...

Open-source low-code platform for building internal tools, admin panels, and dashboards by connecting to databases, APIs, and cloud services with a vi...

Tourial is a product tour builder for demand generation teams to create interactive demos and product tours for marketing websites and ABM campaigns....

Raised $48M (Seed + Series A) from Sequoia and Kleiner Perkins. Amex Ventures strategic investment (Mar 2026). American Express is a production custom...

Berlin CI/CD platform founded 2011 that pioneered automated testing for open-source GitHub projects; Idera-acquired at $3.8M revenue competing with Gi...

Tricentis is a continuous testing platform for enterprise organizations, offering AI-powered test automation, management, and analytics across the sof...

Trigger.dev is an open-source background jobs framework for TypeScript enabling long-running async tasks directly from serverless functions....

Truffle AI is a sales intelligence platform that surfaces buying signals from public developer and open-source data, helping sales teams identify and ...

Developer platform unifying code quality checks, CI management, and merge queue orchestration for engineering teams....

Turborepo is a high-performance JavaScript and TypeScript monorepo build system with intelligent task caching and remote cache sharing to speed up CI ...

AI-powered browser extension for natural language website customization and modification; next-gen Tampermonkey alternative generating custom CSS/JS f...

Tyk is an open-source API gateway and management platform for publishing, securing, and monitoring APIs across cloud, on-premise, and hybrid environme...

Typeform is a conversational form and survey platform creating engaging one-question-at-a-time experiences for data collection and lead capture....

Open-source typo-tolerant search engine designed for developer ease-of-use and low-latency instant search experiences....

Unified.to aggregates CRM, ATS, HRIS, and marketing integrations through a single developer API with a consistent schema across all connected platform...

Uptrace is an open-source distributed tracing and APM platform based on OpenTelemetry for monitoring application performance and diagnosing bottleneck...

Userback is a visual feedback and bug reporting tool letting users annotate screenshots and record sessions to communicate issues to product teams....

Userflow is an in-app onboarding builder for creating product tours, checklists, and resource centers that activate and retain users....

UserGuiding is a no-code product adoption platform for building onboarding checklists, tooltips, and feature announcements without engineering resourc...

Userpilot is a product growth platform for onboarding, feature adoption, and in-app surveys without requiring engineering involvement....

AI code generation tool by Vercel (private, $9.3B valuation). Launched Oct 2023. 6M+ developers. Generates full-stack React/Next.js apps from prompts....

Vercel is the frontend cloud platform that created Next.js, enabling developers to build and deploy fast, scalable web applications with zero-configur...

Vessel provides unified CRM and sales tool APIs enabling B2B SaaS products to natively integrate with Salesforce, HubSpot, and other go-to-market plat...

VideoSDK is a low-code video and audio SDK for developers building real-time communication features into web and mobile applications....

Microsoft (NASDAQ: MSFT) free open-source code editor with 70%+ developer market share and 50,000+ extensions; GitHub Copilot AI integration generatin...

Collaborative AI agent building platform. 130K+ developers, 450 enterprises. Founded 2019, Toronto. Raised ~$39.8M. Private....

Waldo is a no-code mobile app testing platform that lets teams record, run, and monitor automated tests for iOS and Android apps without writing code....

Zagreb YC W21 full-stack React/Node/Prisma framework eliminating boilerplate with declarative DSL; $5.2M total ($3.7M HV Capital/Big Bets 2024 + $1.5M...

Engineering productivity platform with DORA and SPACE metrics for 600+ customers including Amex and Dropbox; Gartner-recognized competing with LinearB...

Whereby is an embeddable video meetings API enabling businesses to add video calls to their products without building WebRTC infrastructure....

Codeium's agentic IDE; 2nd most-discussed AI coding tool after Cursor. $1.25B valuation; Cascade agentic framework enables autonomous multi-file editi...

Wordware is a collaborative AI application builder that lets teams build and deploy LLM-powered workflows and agents using a document-based no-code in...

High-performance code editor built in Rust with real-time collaborative editing and AI assistance built in....

Zuplo is a programmable API gateway at the edge that handles rate limiting, auth, and documentation for any API in under 10 minutes with a developer-f...