head to head · open source
langchain vs KiroCrew
langchain has 148,892 GitHub stars, 25,031 forks, 492 open issues and last shipped yesterday. KiroCrew has 4,731 stars, 935 forks, 2,953 open issues and last shipped yesterday. langchain leads on adoption by 3,047% (148,892 vs 4,731 stars). langchain is written in Python under MIT; KiroCrew is written in Python under Apache-2.0. langchain has attracted 17% as many forks as stars, KiroCrew 20%. KiroCrew was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (agents, 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 | KiroCrew | |
|---|---|---|
| GitHub stars | ★ 149K | ★ 4.7K |
| License | MIT | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 25K | ⑂ 935 |
| 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 KiroCrew if
- You want the KiroCrew feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and KiroCrew 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 KiroCrew
Kiro Crew A persistent workspace for development work that self improves and continues beyond one session. Kiro Crew is an open source development workspace that runs locally or remotely on your hardware. It is persistent, self learning, and self evolving. Work with it from the desktop app, web dashboard, and CLI, or continue the same work through connection tools like Slack and Discord. Your multi step tasks can run unattended, recurring jobs run on your schedule, and heartbeats monitor systems until something needs attention. Kiro Crew Apps tailor that experience to a specific job, combining a purpose built…
read the full KiroCrew overview →
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Frequently asked questions
Is langchain or KiroCrew more popular?
langchain has 148,892 GitHub stars and KiroCrew has 4,731. langchain has the larger community by that measure.
Are langchain and KiroCrew free?
Both are open source. langchain is licensed under MIT and KiroCrew under Apache-2.0. Neither carries a licence fee.
What is the difference between langchain and KiroCrew?
langchain is written in Python and KiroCrew 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 KiroCrew?
Choose langchain if you want the larger community (148,892 stars) or its MIT licence terms. Choose KiroCrew if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.