OpenHarness
Focus: agent harness, coding agents and open source. Shares claude code and codex with ReevesAgents. Rated 4.6 (ReevesAgents: 4.3).
AI Tool
Run Claude Code, Codex and other AI coding CLIs side by side in one local tmux workspace.
Rating
4.3 / 5
Pricing
Free
Difficulty
Advanced
Works on
macOS, Linux
Built with love by Shushant Lakhyani. Building bestproductivityresources.com
ReevesAgents is a free, open-source local workspace for AI coding command-line tools. It runs Claude Code, Codex, OpenCode, Aider, Kimi, Qwen and other agent CLIs side by side in tmux, and you can control them from a CLI, a terminal UI or a web UI. An optional MCP server lets one agent start, read, steer and stop the others. Logins stay inside each provider's own CLI, and its state is a few plain JSON files on your machine. It installs from npm and is released under the Apache 2.0 licence.
Third-party open-source projects. We are not affiliated with their authors; repositories are provided as-is by their maintainers. Review each project's license, code and security before installing. See our Disclaimer.
Developers who use several AI coding agents and want to run and compare them in parallel.
People who use a single AI assistant inside their editor.
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