head to head · open source
Langchain-Chatchat vs BotFramework-WebChat
Langchain-Chatchat has 38,643 GitHub stars, 6,266 forks, 26 open issues and last shipped 10 months ago. BotFramework-WebChat has 1,784 stars, 1,601 forks, 523 open issues and last shipped 5 days ago. Langchain-Chatchat leads on adoption by 2,066% (38,643 vs 1,784 stars). Langchain-Chatchat is written in Python under Apache-2.0; BotFramework-WebChat is written in HTML under MIT. Langchain-Chatchat has attracted 16% as many forks as stars, BotFramework-WebChat 90%. BotFramework-WebChat 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
| Langchain-Chatchat | BotFramework-WebChat | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 1.8K |
| License | Apache-2.0 | MIT |
| Written in | Python | HTML |
| Last push | 2025-11-10 | 2026-09-15 |
| Forks | ⑂ 6.3K | ⑂ 1.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Langchain-Chatchat if
- You weight community size — 39K stars and counting
- You want the Apache-2.0 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 Langchain-Chatchat
Langchain Chatchat (formerly Langchain ChatGLM) is an open source RAG and Agent application built on the Langchain framework and designed to run against local large language models such as ChatGLM, Qwen, and Llama. It lives in the Python ecosystem, is distributed under the Apache 2.0 license, and is published on PyPI as langchain chatchat . The project targets Chinese language scenarios and open source models specifically, with the stated goal of providing a knowledge base question answering solution that can run entirely offline.
read the full Langchain-Chatchat overview →
About BotFramework-WebChat
Bot Framework Web Chat is an MIT licensed, highly customizable web based chat client, published on npm as botframework webchat , that lets web developers embed a conversational interface into their own sites and connect it to bots built with the Microsoft Bot Framework v4 SDK.
read the full BotFramework-WebChat overview →
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Frequently asked questions
Is Langchain-Chatchat or BotFramework-WebChat more popular?
Langchain-Chatchat has 38,643 GitHub stars and BotFramework-WebChat has 1,784. Langchain-Chatchat has the larger community by that measure.
Are Langchain-Chatchat and BotFramework-WebChat free?
Both are open source. Langchain-Chatchat is licensed under Apache-2.0 and BotFramework-WebChat under MIT. Neither carries a licence fee.
What is the difference between Langchain-Chatchat and BotFramework-WebChat?
Langchain-Chatchat 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, Langchain-Chatchat or BotFramework-WebChat?
Choose Langchain-Chatchat if you want the larger community (38,643 stars) or its Apache-2.0 licence terms. Choose BotFramework-WebChat if its feature set, stack or MIT licence fits better. Both are self-hostable.