head to head · open source
rowboat vs harmonist
rowboat has 18,131 GitHub stars, 1,817 forks, 167 open issues and last shipped yesterday. harmonist has 2,244 stars, 209 forks, 1 open issues and last shipped 5 months ago. rowboat leads on adoption by 708% (18,131 vs 2,244 stars). rowboat is written in TypeScript under Apache-2.0; harmonist is written in Python under MIT. rowboat has attracted 10% as many forks as stars, harmonist 9%. rowboat was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai-agents, claude-code, llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| rowboat | harmonist | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 2.2K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-11-04 | 2026-06-09 |
| Forks | ⑂ 1.8K | ⑂ 209 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick rowboat if
- You weight community size — 18K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick harmonist if
- You want the harmonist feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and harmonist fits your workflow better
About rowboat
Rowboat A desktop AI coworker with a memory of your work and built in surfaces to act on it. 简体中文 · 日本語 · 한국어 · Español · Français · Português Rowboat indexes your work into a living knowledge graph and uses that to get work done on your machine. It includes work surfaces for collaborating with AI: email client, notes, browser, code mode, meeting note taker, and workspaces for different projects. Download latest for Mac/Windows/Linux: Download Demo apps to code · Demo knowledge graph ⭐ If you find Rowboat useful, please star the repo. It helps more people find it. Overview Brain Rowboat indexes email, meetings…
read the full rowboat overview →
About harmonist
If you are an AI agent asked to install or integrate this pack: read integration prompt.md and execute its steps. Do not apply AGENTS.template.md as a live rule inside the pack folder — it is the template that becomes the user project's AGENTS.md during integration. Harmonist Portable AI agent orchestration with mechanical protocol enforcement A drop in multi agent framework for Cursor, Claude Code, Copilot, Windsurf, Aider, and other AI coding assistants. Built and maintained by GammaLab · @GammaLabTechnologies Most AI coding frameworks trust the language model to follow the rules. Harmonist refuses to let it…
read the full harmonist overview →
More in Infrastructure & Operations
Related comparisons
More Orchestration & Scheduling projects
Compare either of these against the rest of the Orchestration & Scheduling field.
Frequently asked questions
Is rowboat or harmonist more popular?
rowboat has 18,131 GitHub stars and harmonist has 2,244. rowboat has the larger community by that measure.
Are rowboat and harmonist free?
Both are open source. rowboat is licensed under Apache-2.0 and harmonist under MIT. Neither carries a licence fee.
What is the difference between rowboat and harmonist?
rowboat is written in TypeScript and harmonist in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, rowboat or harmonist?
Choose rowboat if you want the larger community (18,131 stars) or its Apache-2.0 licence terms. Choose harmonist if its feature set, stack or MIT licence fits better. Both are self-hostable.