head to head · open source
langchain vs nuwa-skill
langchain has 149,231 GitHub stars, 25,099 forks, 492 open issues and last shipped yesterday. nuwa-skill has 37,832 stars, 4,862 forks, 29 open issues and last shipped 7 days ago. langchain leads on adoption by 294% (149,231 vs 37,832 stars). langchain is written in Python under MIT; nuwa-skill is written in Python under MIT. langchain has attracted 17% as many forks as stars, nuwa-skill 13%. langchain was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai-agents), 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 | nuwa-skill | |
|---|---|---|
| GitHub stars | ★ 149K | ★ 38K |
| License | MIT | MIT |
| Written in | Python | Python |
| Last push | 2026-11-09 | 2026-11-03 |
| Forks | ⑂ 25K | ⑂ 4.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick langchain if
- You weight community size — 149K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick nuwa-skill if
- You want the nuwa-skill feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and nuwa-skill fits your workflow better
About langchain
The agent engineering platform. LangChain is a framework for building agents and LLM powered applications. It helps you chain together interoperable components and third party integrations to simplify AI application development — all while future proofing decisions as the underlying technology evolves. [!TIP] Just getting started? Check out Deep Agents — a higher level package built on LangChain for agents that have built in capabilities for common usage patterns such as planning, subagents, file system usage, and more. Quickstart If you're looking for more advanced customization or agent orchestration, check…
read the full langchain overview →
About nuwa-skill
女娲.skill 动画由 huashu motion 制作，女娲形象与每一种画风都由代码绘制 「你想蒸馏的下一个员工，何必是同事」 女娲帮你蒸馏任何人的思维方式，让乔布斯、马斯克、芒格、费曼都给你打工。 基于开放的 Agent Skills 协议，可在 Claude Code、Codex、Cursor、OpenClaw、Hermes Agent、CodeBuddy、Workbuddy、Gemini CLI、OpenCode、DeepSeek Harness 等 50+ 兼容 runtime 中运行。 同事.skill 证明了蒸馏一个人是可行的。 那何必蒸馏同事？去蒸馏乔布斯、芒格、费曼、马斯克。 只需输入一个名字，女娲自动完成调研、提炼、验证全流程。 看效果 · 安装 · 它蒸馏了什么 · 工作原理 其他语言 / Other Languages: English · 日本語 · 한국어 · Español 效果示例 再来一个大家更熟悉的。蒸馏乔布斯之后，问他「OpenAI和Anthropic谁的方向对」： 这不是角色扮演。乔布斯用的是「聚焦即说不」和「端到端控制」心智模型，Naval用的是「欲望即合同」，马斯克用的是「渐近极限法」。 它们不是在复读名人语录，是在用名人的认知框架帮你分析。 安装 女娲基于开放的 Agent Skills 协议，可在任何 skills compatible 的 AI agent…
read the full nuwa-skill overview →
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Frequently asked questions
Is langchain or nuwa-skill more popular?
langchain has 149,231 GitHub stars and nuwa-skill has 37,832. langchain has the larger community by that measure.
Are langchain and nuwa-skill free?
Both are open source. langchain is licensed under MIT and nuwa-skill under MIT. Neither carries a licence fee.
What is the difference between langchain and nuwa-skill?
langchain is written in Python and nuwa-skill 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, langchain or nuwa-skill?
Choose langchain if you want the larger community (149,231 stars) or its MIT licence terms. Choose nuwa-skill if its feature set, stack or MIT licence fits better. Both are self-hostable.