head to head · open source
Hermes Agent vs AionUi
Hermes Agent has 259,804 GitHub stars, 57,202 forks, 41,784 open issues and last shipped yesterday. AionUi has 33,996 stars, 3,550 forks, 905 open issues and last shipped 11 days ago. Hermes Agent leads on adoption by 664% (259,804 vs 33,996 stars). Hermes Agent is written in Python under MIT; AionUi is written in TypeScript under Apache-2.0. Hermes Agent has attracted 22% as many forks as stars, AionUi 10%. Hermes Agent was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (ai, ai-agent, claude-code, codex), 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.
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Side by side
| Hermes Agent | AionUi | |
|---|---|---|
| GitHub stars | ★ 260K | ★ 34K |
| License | MIT | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-10-23 |
| Forks | ⑂ 57K | ⑂ 3.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hermes Agent if
- You weight community size — 260K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick AionUi if
- You want the AionUi feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and AionUi fits your workflow better
About Hermes Agent
Hermes Agent ☤ Hermes Agent Hermes Desktop The self improving AI agent built by Nous Research. It's the only agent with a built in learning loop — it creates skills from experience, improves them during use, nudges itself to persist knowledge, searches its own past conversations, and builds a deepening model of who you are across sessions. Run it on a $5 VPS, a GPU cluster, or serverless infrastructure that costs nearly nothing when idle. It's not tied to your laptop — talk to it from Telegram while it works on a cloud VM. Use any model you want — Nous Portal, OpenRouter, OpenAI, your own endpoint, and many…
read the full Hermes Agent overview →
About AionUi
A free, open source, Cowork app with AI Agents Built in Agent Zero Setup Any API Key Multi Agents Remote Access Cross Platform 24/7 Automation English 简体中文 繁體中文 日本語 한국어 Español Português Türkçe Русский Українська Official Website 💬 Community: Discord (English) 微信 (中文群) Twitter 🎁 AionUi × Kimi Partnership : Free premium Kimi "Allegretto" plans ($39/mo · ¥199/mo value) for our contributors! View Campaign Details & How to Claim → Kimi K3 is here and works out of the box in AionUi — get a Kimi For Coding plan or an API key ( Global / China ) · ready to claim? comment here 📋 Quick Navigation Cowork in Action · Why…
read the full AionUi overview →
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Frequently asked questions
Is Hermes Agent or AionUi more popular?
Hermes Agent has 259,804 GitHub stars and AionUi has 33,996. Hermes Agent has the larger community by that measure.
Are Hermes Agent and AionUi free?
Both are open source. Hermes Agent is licensed under MIT and AionUi under Apache-2.0. Neither carries a licence fee.
What is the difference between Hermes Agent and AionUi?
Hermes Agent is written in Python and AionUi in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Hermes Agent or AionUi?
Choose Hermes Agent if you want the larger community (259,804 stars) or its MIT licence terms. Choose AionUi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.