Real-time collaboration

Code Together, Build Faster

A real-time collaborative code editor powered by CRDTs and WebSockets. Write, review, and debug code with your team — simultaneously, seamlessly, instantly.

Next.jsCodeMirror 6Y.jsWebSocketTailwind CSSTypeScript

Built for Modern Teams

Every feature is designed to make collaborative coding feel as natural as writing in a shared document.

Real-Time Sync

Changes propagate instantly via WebSocket connections. See every keystroke as it happens across all connected clients.

CRDT Powered

Built on Y.js conflict-free replicated data types. No merge conflicts, ever. Even works offline with automatic reconciliation.

Live Cursors

See collaborators' cursors and selections in real-time with unique color identifiers. Know exactly who is editing where.

Multi-Language

Full syntax highlighting for JavaScript, TypeScript, Python, HTML, CSS, and JSON with intelligent auto-completion.

Room-Based

Create private rooms with unique IDs. Share the link and start collaborating in seconds. No signup required.

Undo/Redo

Full undo/redo history per user. Your changes are tracked independently so you never lose work.

Powered by Advanced Architecture

A sophisticated stack combining CRDTs, WebSockets, and modern editor technology.

Y.js CRDT Engine

Conflict-Free Replication

Every client maintains a local Y.Doc that syncs through WebSocket providers. Changes merge automatically without conflicts — even after periods of disconnection.

Real-time data synchronization visualization

CodeMirror 6

Next-generation code editor with extensible architecture, mobile support, and accessibility built in.

Code editor with syntax highlighting

Room-Based Sessions

Create isolated rooms for each project. Share a link and collaborate instantly.

Room-based collaboration visualization

Ready to Code Together?

Create a room, share the link, and start building with your team in real-time.