Interactive
Playground
Read and write to a new S2 directly from your browser.Share your link with others for a durable, real-time chat room.
AI Chat
Multiplayer, resumable AI chat powered by S2.Try opening it across multiple devices, or reloading mid-response — the stream picks up where it left off.
Browser Infra
Real-time observability for serverless environments.Click into tasks to watch their progress live.
Real-time Sync with Yjs
Collaborative editing with CRDTs over S2.See the blog post for how it works.
Technical deep dives
s2-term
A serverless terminal that replaces SSH with S2 streams, letting you share a term in the browser.
Building a KV Store
Building a strongly-consistent distributed key-value database using S2 as the write-ahead log.Also presented at HYTRADBOI 2025.
IoT
A Raspberry Pi streams thermal sensor data to S2 at 10 Hz, consumed live via SSE in a Next.js frontend.
Parallax
Distributed AI agent coordination.Multiple independent agent cohorts reason on shared problems, each writing to their own S2 stream.