Side-by-side comparison of AI visibility scores, market position, and capabilities
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 serving investment banks and hedge funds competing with InfluxDB for high-frequency time-series.
QuestDB is a London, United Kingdom-based open-source time-series database — backed by Y Combinator (W20) with $14.4-18 million in total funding including a $12 million Series A in November 2021 from Intel Ignite, Approx.vc, New Forge, and 468 Capital — providing financial services companies, IoT operators, and data infrastructure teams with the fastest time-series database globally (as measured by DB-Engines growth ranking), achieving 15,000+ GitHub stars through column-oriented storage, parallelized vector execution, SIMD CPU instructions, and low-latency SQL queries that enable blazingly fast ingestion and analysis of time-stamped data. Founded in 2019, QuestDB serves Tier 1/2 investment banks, leading hedge funds, national stock exchanges, and major crypto firms where microsecond-level query performance on time-series data is operationally critical.
Kong-acquired (2019) open-source API testing and development platform with 1M+ users; Insomnia 10 added AI Runner, competing with Postman for the API client developer tooling market.
Insomnia is an open-source API development and testing platform that provides developers with a powerful client for designing, debugging, and testing REST, GraphQL, SOAP, and WebSocket APIs — offering an intuitive interface for crafting API requests, inspecting responses, organizing API collections, and writing automated tests without the complexity of commercial alternatives. Founded in 2014 by Gregory Schier in Victoria, Canada, Insomnia was acquired by Kong (the leading API management company) in October 2019 and has grown to over 1 million users as of September 2024.
Monitor how your brand performs across ChatGPT, Gemini, Perplexity, Claude, and Grok daily.