head to head · open source
Langchain-Chatchat vs openilink-hub
Langchain-Chatchat has 38,643 GitHub stars, 6,266 forks, 26 open issues and last shipped 10 months ago. openilink-hub has 1,580 stars, 140 forks, 18 open issues and last shipped 3 months ago. Langchain-Chatchat leads on adoption by 2,346% (38,643 vs 1,580 stars). Langchain-Chatchat is written in Python under Apache-2.0; openilink-hub is written in Go under MIT. Langchain-Chatchat has attracted 16% as many forks as stars, openilink-hub 9%. openilink-hub 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 | openilink-hub | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 1.6K |
| License | Apache-2.0 | MIT |
| Written in | Python | Go |
| Last push | 2025-11-10 | 2026-06-18 |
| Forks | ⑂ 6.3K | ⑂ 140 |
| 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 openilink-hub if
- You want the openilink-hub feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and openilink-hub 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 openilink-hub
OpeniLink Hub is a self hosted, MIT licensed WeChat bot management platform with a built in app marketplace, built for developers, operators and teams who want to run and extend WeChat bots through a web console instead of writing raw protocol code.
read the full openilink-hub overview →
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Frequently asked questions
Is Langchain-Chatchat or openilink-hub more popular?
Langchain-Chatchat has 38,643 GitHub stars and openilink-hub has 1,580. Langchain-Chatchat has the larger community by that measure.
Are Langchain-Chatchat and openilink-hub free?
Both are open source. Langchain-Chatchat is licensed under Apache-2.0 and openilink-hub under MIT. Neither carries a licence fee.
What is the difference between Langchain-Chatchat and openilink-hub?
Langchain-Chatchat is written in Python and openilink-hub in Go. 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 openilink-hub?
Choose Langchain-Chatchat if you want the larger community (38,643 stars) or its Apache-2.0 licence terms. Choose openilink-hub if its feature set, stack or MIT licence fits better. Both are self-hostable.