head to head · open source
AstrBot vs tmi.js
AstrBot has 45,879 GitHub stars, 3,368 forks, 1,516 open issues and last shipped 2 days ago. tmi.js has 1,590 stars, 202 forks, 34 open issues and last shipped 12 months ago. AstrBot leads on adoption by 2,785% (45,879 vs 1,590 stars). AstrBot is written in Python under AGPL-3.0; tmi.js is written in JavaScript under MIT. AstrBot has attracted 7% as many forks as stars, tmi.js 13%. AstrBot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chatbot), 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 | tmi.js | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 1.6K |
| License | AGPL-3.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-11-03 | 2025-11-21 |
| Forks | ⑂ 3.4K | ⑂ 202 |
| 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 tmi.js if
- You want the tmi.js feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and tmi.js 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 tmi.js
tmi.js Website Documentation currently at tmijs/docs Changelog on the release page Install Node Browser Available as " tmi " on window . Prebuilt Browser Releases Release page Build Yourself Type Definitions Community Follow @AlcaMagic on Twitter, Alca on Twitch. Follow @Schmoopiie on Twitter. Found a bug: submit an issue. Discussion and help about tmi.js: Twitch API Discord Server For everything else: Official TwitchDev Discord Server Contributors Thanks to all of the tmi.js contributors! Contributing guidelines Please review the guidelines for contributing of the tmi.js repository. We reserve the right to…
read the full tmi.js overview →
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Frequently asked questions
Is AstrBot or tmi.js more popular?
AstrBot has 45,879 GitHub stars and tmi.js has 1,590. AstrBot has the larger community by that measure.
Are AstrBot and tmi.js free?
Both are open source. AstrBot is licensed under AGPL-3.0 and tmi.js under MIT. Neither carries a licence fee.
What is the difference between AstrBot and tmi.js?
AstrBot is written in Python and tmi.js in JavaScript. 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 tmi.js?
Choose AstrBot if you want the larger community (45,879 stars) or its AGPL-3.0 licence terms. Choose tmi.js if its feature set, stack or MIT licence fits better. Both are self-hostable.