head to head · open source
nanobot vs bitterbot-desktop
nanobot has 49,806 GitHub stars, 8,711 forks, 775 open issues and last shipped yesterday. bitterbot-desktop has 2,480 stars, 421 forks, 10 open issues and last shipped yesterday. nanobot leads on adoption by 1,908% (49,806 vs 2,480 stars). nanobot is written in Python under MIT; bitterbot-desktop is written in TypeScript under MIT. nanobot has attracted 17% as many forks as stars, bitterbot-desktop 17%. nanobot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agent, 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
| nanobot | bitterbot-desktop | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 2.5K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 8.7K | ⑂ 421 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobot if
- You weight community size — 50K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick bitterbot-desktop if
- You want the bitterbot-desktop feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and bitterbot-desktop fits your workflow better
About nanobot
English 简体中文 繁體中文 Español Français Bahasa Indonesia 日本語 한국어 Русский Tiếng Việt Discord · X · WeChat / Feishu nanobot 🐈 nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python. It runs in a WebUI, terminal, or chat apps and combines tools, long term memory, MCP integrations, model routing, multi agent delegation, scheduled automation, and an OpenAI compatible API in a small, readable core. Start Here What can nanobot do? nanobot is a self hosted personal AI agent runtime. It can: run in a browser WebUI or terminal connect to Telegram, Discord, Slack, WeChat, Email…
read the full nanobot overview →
About bitterbot-desktop
A local first personal AI with biological memory, a dream engine, and a P2P skills economy. = 22" Most AI agents are stateless wrappers around an LLM API. Close the terminal, and they forget you exist. Bitterbot is different. It's a personal AI that lives on your devices, remembers your life, and actually does things, browses the web, runs code, talks to you on WhatsApp. While you sleep, it dreams: tidying and consolidating its memory, distilling the skills that provably worked into reusable know how, and preparing for what you're likely to ask next — and it grades its own dreaming by whether the results…
read the full bitterbot-desktop overview →
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Frequently asked questions
Is nanobot or bitterbot-desktop more popular?
nanobot has 49,806 GitHub stars and bitterbot-desktop has 2,480. nanobot has the larger community by that measure.
Are nanobot and bitterbot-desktop free?
Both are open source. nanobot is licensed under MIT and bitterbot-desktop under MIT. Neither carries a licence fee.
What is the difference between nanobot and bitterbot-desktop?
nanobot is written in Python and bitterbot-desktop 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, nanobot or bitterbot-desktop?
Choose nanobot if you want the larger community (49,806 stars) or its MIT licence terms. Choose bitterbot-desktop if its feature set, stack or MIT licence fits better. Both are self-hostable.