Collab.Code

Collab.Code is an AI-assisted collaborative coding platform that combines real-time editing, code review, sandboxed execution, and technical interviews in one workspace for engineering teams. Its real-time sync is powered by Y.js CRDTs, eliminating merge conflicts across unlimited participants with sub-30ms latency, and a multi-file workspace gives each file VS Code-style tabs with per-file sync. The AI review feature streams code analysis with auto-fix and test generation across five review modes. Developers can run JavaScript, TypeScript, Python, Go, and Bash directly in isolated sandboxes (with an 8-second timeout and output cap), and an Interview Mode adds a countdown timer, problem statements, a structured rubric, and private interviewer notes. The platform scales horizontally using Redis pub/sub without state drift, keeps version snapshots of past sessions, and supports public sharing and embeddable sessions. Collab.Code reports 12,000+ active developers and 600,000+ sessions served with a 99.9% uptime SLA. It suits engineering teams, technical interviewers, and pair-programming practitioners who want a single browser-based environment for collaboration, review, and live coding.

Collaborative real-time coding, AI code review, and running live technical interviews in one workspace.