Crew lets parallel coding-agent sessions share live context, message each other and split work without branching.
Yes, Crew is open source under the MIT license.
Crew is free to use.
Yes, Crew can be self-hosted (the source is available under the MIT license).
Open-source coordination layer that lets parallel coding-agent sessions (Claude Code, Codex, opencode) share live context, exchange messages and split work without branching.