HarnessRouter
One Docker box, one API. Codex, Claude Code, Hermes, Pi, and DeepSeek Harness on your machine. Apache 2.0 plus an open spec (UHP).
Related builds
Just Enough IDE
Files, search, and git next to the agent, inside the terminal. Open source.
Muxin
One app for every computer: run coding agents on Macs, Linux, Windows, and cloud machines from a single window. Free and open source.
slack-mirror
Headless Slack client. Live unread state lands in a Cloudflare durable object so an agent can triage it. Open source.

