head to head · open source
nanobot vs BotFramework-WebChat
nanobot has 49,822 GitHub stars, 8,711 forks, 775 open issues and last shipped yesterday. BotFramework-WebChat has 1,787 stars, 1,600 forks, 523 open issues and last shipped yesterday. nanobot leads on adoption by 2,688% (49,822 vs 1,787 stars). nanobot is written in Python under MIT; BotFramework-WebChat is written in HTML under MIT. nanobot has attracted 17% as many forks as stars, BotFramework-WebChat 90%. nanobot 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
| nanobot | BotFramework-WebChat | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 1.8K |
| License | MIT | MIT |
| Written in | Python | HTML |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 8.7K | ⑂ 1.6K |
| 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 BotFramework-WebChat if
- You want the BotFramework-WebChat feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches HTML
- You evaluated both and BotFramework-WebChat 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 BotFramework-WebChat
Click here to find out what is new in Web Chat Bot Framework Web Chat This repository contains code for the Bot Framework Web Chat component. The Bot Framework Web Chat component is a highly customizable web based client for the Bot Framework v4 SDK. The Bot Framework SDK v4 enables developers to model conversation and build sophisticated bot applications. This repository is part of the Microsoft Bot Framework a comprehensive framework for building enterprise grade conversational AI experiences. Web Chat supports Content Security Policy (CSP). Web developers are recommended to enable CSP to improve security and…
read the full BotFramework-WebChat overview →
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Frequently asked questions
Is nanobot or BotFramework-WebChat more popular?
nanobot has 49,822 GitHub stars and BotFramework-WebChat has 1,787. nanobot has the larger community by that measure.
Are nanobot and BotFramework-WebChat free?
Both are open source. nanobot is licensed under MIT and BotFramework-WebChat under MIT. Neither carries a licence fee.
What is the difference between nanobot and BotFramework-WebChat?
nanobot is written in Python and BotFramework-WebChat in HTML. 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 BotFramework-WebChat?
Choose nanobot if you want the larger community (49,822 stars) or its MIT licence terms. Choose BotFramework-WebChat if its feature set, stack or MIT licence fits better. Both are self-hostable.