Side-by-side comparison of AI visibility scores, market position, and capabilities
Paris-based collaborative email client adding task tracking and team context visibility; YC-backed competing with Gmail+project management tools for remote-first team communication.
Upstream is a Paris-based productivity startup building a collaborative email client designed for team communication — adding task tracking, full conversation context, and collaboration features on top of email to help teams make faster decisions without switching to separate project management tools. Founded in 2023 by Louis Lecat and Jonathan Tiret and based at Station F in Paris, Upstream is a Y Combinator graduate that raised $3 million in pre-seed funding with a 7-person team.\n\nUpstream's email client reimagines team email by adding the ability to assign tasks directly from email conversations, track decision-making context alongside messages, and provide shared visibility into conversation status — so teams can see whether emails have been actioned, what follow-ups are pending, and what the current state of any ongoing conversation or project is. This addresses the pain point of email where important context is buried in inbox threads that aren't shared across a team, leading to dropped balls and duplicated effort.\n\nIn 2025, Upstream operates in a challenging market for email client alternatives — previous email productivity startups including Superhuman (premium personal email), Spark, and many others have found that changing email habits is difficult and user acquisition is expensive. Upstream's team email positioning (rather than personal productivity) gives it a different angle than individual email clients, targeting the B2B use case where team email coordination is a shared pain. The YC backing and Station F presence provide credibility and access to the European tech ecosystem. The 2025 strategy focuses on building the core collaboration features that differentiate Upstream from Gmail or Outlook with task tracking plugins, growing initial customer adoption among remote-first European teams, and demonstrating retention that justifies the B2B subscription model.
OpsLevel is a developer portal and service catalog for tracking service ownership, maturity scorecards, and production readiness across microservices.
OpsLevel is a developer portal platform that gives engineering organizations visibility into the services they operate, who owns them, and how mature they are relative to internal engineering standards. At its core, OpsLevel maintains a service catalog that maps every microservice, repository, and infrastructure component to a team owner, populating metadata automatically from integrations with GitHub, GitLab, PagerDuty, Datadog, and cloud providers. This catalog becomes the authoritative source of truth for answering questions like who to contact about a service, what tier of reliability it requires, and what dependencies it has — questions that are often unanswerable at engineering organizations that have grown past the point where everyone knows everything.
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