Seed · Developer Tools · Paris, France · Founded 2021 · 11–50 employees
Liveblocks provides developers with APIs and tools to easily add real-time collaboration features to products, including live cursors, comments, multiplayer editing, and AI co-pilots. The company has built a battle-tested platform that handles millions of WebSocket connections monthly and powers collaborative experiences for millions of users. Founded by ex-InVision engineers Guillaume Salles and Steven Fabre in 2021, Liveblocks has raised $6.4M total and grown 8x in ARR recently. Their infrastructure is trusted by teams shipping to millions of users and enables both human-to-human and human-to-AI collaboration.