head to head · open source
langchain vs EverOS
langchain has 148,892 GitHub stars, 25,031 forks, 492 open issues and last shipped yesterday. EverOS has 13,780 stars, 962 forks, 73 open issues and last shipped yesterday. langchain leads on adoption by 980% (148,892 vs 13,780 stars). langchain is written in Python under MIT; EverOS is written in Python under Apache-2.0. langchain has attracted 17% as many forks as stars, EverOS 7%. 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), 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 | EverOS | |
|---|---|---|
| GitHub stars | ★ 149K | ★ 14K |
| License | MIT | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 25K | ⑂ 962 |
| 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 EverOS if
- You want the EverOS 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 EverOS 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 EverOS
Website · Documentation · Blog · 中文 Table of Contents Why EverOS Ecosystem Integrations Quick Start Use Cases Documentation EverMind Ecosystem Contributing Why EverOS EverOS is a Python library and local first memory runtime for agents and makers. It gives one portable memory layer across coding assistants, apps, devices, and workflows from day one. It stores conversations, files, and agent trajectories as readable Markdown, then syncs local SQLite and LanceDB indexes for fast retrieval and self evolving reuse. Title EverOS Other Agent Memory Libraries Markdown source of truth ✅ Canonical .md files that are…
read the full EverOS overview →
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Frequently asked questions
Is langchain or EverOS more popular?
langchain has 148,892 GitHub stars and EverOS has 13,780. langchain has the larger community by that measure.
Are langchain and EverOS free?
Both are open source. langchain is licensed under MIT and EverOS under Apache-2.0. Neither carries a licence fee.
What is the difference between langchain and EverOS?
langchain is written in Python and EverOS 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 EverOS?
Choose langchain if you want the larger community (148,892 stars) or its MIT licence terms. Choose EverOS if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.