head to head · open source
AstrBot vs errbot
AstrBot has 45,879 GitHub stars, 3,368 forks, 1,516 open issues and last shipped yesterday. errbot has 3,312 stars, 628 forks, 45 open issues and last shipped 9 days ago. AstrBot leads on adoption by 1,285% (45,879 vs 3,312 stars). AstrBot is written in Python under AGPL-3.0; errbot is written in Python under GPL-3.0. AstrBot has attracted 7% as many forks as stars, errbot 19%. 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 | errbot | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 3.3K |
| License | AGPL-3.0 | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-11-03 | 2026-10-26 |
| Forks | ⑂ 3.4K | ⑂ 628 |
| 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 errbot if
- You want the errbot feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and errbot 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 errbot
.. image:: :target: .. image:: :target: .. image:: :target: :alt: Latest Version .. image:: :target: :alt: License .. image:: :target: :alt: Join the chat at Errbot ====== Errbot is a chatbot. It allows you to start scripts interactively from your chatrooms for any reason: random humour, chatops, starting a build, monitoring commits, triggering alerts... It is written and easily extensible in Python. Errbot is available as open source software and released under the GPL v3 license. Features Chat servers support Built in IRC support Telegram support XMPP support With add ons Slack support (See instructions )…
read the full errbot overview →
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Frequently asked questions
Is AstrBot or errbot more popular?
AstrBot has 45,879 GitHub stars and errbot has 3,312. AstrBot has the larger community by that measure.
Are AstrBot and errbot free?
Both are open source. AstrBot is licensed under AGPL-3.0 and errbot under GPL-3.0. Neither carries a licence fee.
What is the difference between AstrBot and errbot?
AstrBot is written in Python and errbot 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, AstrBot or errbot?
Choose AstrBot if you want the larger community (45,879 stars) or its AGPL-3.0 licence terms. Choose errbot if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.