Spin up instant dev environments in your browser. Write code with your team, execute in secure sandboxes, and preview results live.
Features
Write code together with live cursors, multiplayer presence, and conflict-free sync.
Each silo runs in an isolated Docker container with a real terminal. Local setup is fully eliminated.
View your running application instantly. Traffic is proxied securely without exposing public ports.
Publish your silo, share it via link, or fork another developer's project to build upon.
How it works
Open a workspace and begin writing. Keystrokes synchronize globally in real time.
Launch a secure container environment and execute code without configuring local tools.
Securely proxy your application directly into the browser. Preview your work instantly.
Global Scale
Your team is everywhere. Your workspace should be too.
Trusted by Developers
"Finally a collaborative editor that actually lets you run code. The live preview alone saves us hours every sprint."
Senior Frontend Engineer
"We dropped our entire staging pipeline for quick prototypes. Spin up a silo, share the link, done."
DevOps Lead
"No more 'works on my machine' during pair programming. Everyone sees the same environment, same output."
Open Source Maintainer
"It's a full Linux container running in the browser. I showed it to my team and nobody believed it was real."
Systems Architect
"I send my students a link and we're all coding in the same file within seconds. Onboarding friction is gone."
Computer Science Dept
"Finally a collaborative editor that actually lets you run code. The live preview alone saves us hours every sprint."
Senior Frontend Engineer
"We dropped our entire staging pipeline for quick prototypes. Spin up a silo, share the link, done."
DevOps Lead
"No more 'works on my machine' during pair programming. Everyone sees the same environment, same output."
Open Source Maintainer
"It's a full Linux container running in the browser. I showed it to my team and nobody believed it was real."
Systems Architect
"I send my students a link and we're all coding in the same file within seconds. Onboarding friction is gone."
Computer Science Dept