head to head · open source
AstrBot vs AionUi
AstrBot has 45,662 GitHub stars, 3,350 forks, 1,516 open issues and last shipped yesterday. AionUi has 33,996 stars, 3,550 forks, 905 open issues and last shipped 11 days ago. AstrBot leads on adoption by 34% (45,662 vs 33,996 stars). AstrBot is written in Python under AGPL-3.0; AionUi is written in TypeScript under Apache-2.0. AstrBot has attracted 7% as many forks as stars, AionUi 10%. AstrBot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai, chatbot, gemini), 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
| AstrBot | AionUi | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 34K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-10-23 |
| Forks | ⑂ 3.4K | ⑂ 3.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick AstrBot if
- You weight community size — 46K stars and counting
- You want the AGPL-3.0 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 AstrBot
简体中文 ｜ 繁體中文 ｜ 日本語 ｜ Français ｜ Español ｜ Русский Documentation ｜ Blog ｜ Roadmap ｜ Issue Tracker ｜ Email Support AstrBot is an open source all in one Agent chatbot platform that integrates with mainstream instant messaging apps. It provides reliable and scalable conversational AI infrastructure for individuals, developers, and teams. Whether you're building a personal AI companion, intelligent customer service, automation assistant, or enterprise knowledge base, AstrBot enables you to quickly build production ready AI applications within your IM platform workflows. Key Features 1. 💯 Free & Open Source. 2. ✨ AI…
read the full AstrBot 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 AstrBot or AionUi more popular?
AstrBot has 45,662 GitHub stars and AionUi has 33,996. AstrBot has the larger community by that measure.
Are AstrBot and AionUi free?
Both are open source. AstrBot is licensed under AGPL-3.0 and AionUi under Apache-2.0. Neither carries a licence fee.
What is the difference between AstrBot and AionUi?
AstrBot 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, AstrBot or AionUi?
Choose AstrBot if you want the larger community (45,662 stars) or its AGPL-3.0 licence terms. Choose AionUi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.