NewCollaborative coding made simple

Code Together, In Real-Time

Create collaborative coding sessions with audio, video, and real-time code editing. Run code in multiple languages and share your work instantly.

LOW LATENCY ARCHITECTURE

Built for how engineers actually pair

No laggy screen shares or fragile sync loops. Designed with native Monaco parity, WebRTC media mesh, and millisecond state distribution. Monaco parity, WebRTC media mesh, and millisecond state distribution.

workspace/session.ts
12ms P2P
// Live operational transform streaming
import { broadcastCRDT } from "@codesync/mesh";
export async function onDocumentChange(event) {
await broadcastCRDT(event, {you
channel: "room-peer-alpha",
optimistic: truealex
});
}

Sub-50ms Synchronized Monaco Engine

Conflict-free state merges through lightweight operational transforms. Every keystroke, cursor selection, and scroll jump mirrors seamlessly across both peers with zero layout shift.

TSPYCPPGORS

Isolated Polyglot Runtime

Run and test algorithms instantly across multiple runtimes. Output pipes straight into your synchronized terminal pane.

stdout / execution: 142ms
✔ test suite passed [14/14 tests in 0.04s]
Noise-Suppressed Voice

Direct P2P Audio & Video Mesh

No 3rd party conferencing apps required. Crystal-clear WebRTC media channels stream alongside your editor without hogging CPU or introducing background delay. media channels stream alongside your editor without hogging CPU or introducing background delay.

FRICTIONLESS PROTOCOL

Ephemeral pairing in three clicks

No repositories to configure, no complex authorization flows. Generate a session, share the hash, and write code.

01

Spawn Room Hash

Trigger an encrypted session workspace with default runtime configurations and isolated memory partitions.

Payload: 128-bit UID
02

Signaling Handshake

Pass your room hash to a peer. WebRTC ICE negotiation establishes a direct peer channel instantly with STUN fallback. Pass your room hash to a peer. WebRTC ICE negotiation establishes a direct peer channel instantly with STUN fallback.

Direct Mesh Protocol
03

Synchronous Coding

Edit in tandem with dual cursors, run code, talk over noise-cancelled audio, and debug problems together in real-time. noise-cancelled audio, and debug problems together in real-time.

Zero Storage Leaks
SESSION GATEWAY

Ready to jump in?

Initialize a new isolated environment or connect to an ongoing session using its room identifier.

Provision an Ephemeral Room

Creates an isolated session with live Monaco synchronization and peer-to-peer WebRTC readiness.

Free & Instant•Max 2 Peers per Room•End-to-end Encrypted