Fast Prototyping

Code Together During Hackathons

Build winning prototypes with maximum team velocity. Sub-10ms real-time multi-user editing, built-in voice channels, and zero sign-up friction.

Launch Hackathon Workspace
Hackathon Speed

Maximize Development Velocity in 24–48 Hour Sprints

In hackathons, every minute spent configuring environments or troubleshooting git merge collisions is wasted time. OutSync gives teams a shared multiplayer canvas: write code concurrently across multiple languages, speak continuously in integrated WebRTC voice rooms, and execute test scripts instantly in the browser.

Why Hackathon Teams Build on OutSync

Rapid Zero-Account Onboarding

Share one room link in your Discord/Slack team channel and everyone is immediately coding in the same file.

No Merge Conflicts

Real-time CRDT delta sync updates lines keystroke-by-keystroke, eliminating git merge lockups during time crunches.

One-Click Project Export

Download complete code files locally to commit to your GitHub repository or deploy to Vercel when the submission window opens.

Start Your Hackathon Project Now

Free for all teams, builders, and developers worldwide.