head to head · open source
claude-mem vs EvoScientist
claude-mem has 94,286 GitHub stars, 8,321 forks, 186 open issues and last shipped yesterday. EvoScientist has 4,928 stars, 307 forks, 51 open issues and last shipped yesterday. claude-mem leads on adoption by 1,813% (94,286 vs 4,928 stars). claude-mem is written in TypeScript under Apache-2.0; EvoScientist is written in Python under Apache-2.0. claude-mem has attracted 9% as many forks as stars, EvoScientist 6%. claude-mem was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| claude-mem | EvoScientist | |
|---|---|---|
| GitHub stars | ★ 94K | ★ 4.9K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-19 | 2026-09-19 |
| Forks | ⑂ 8.3K | ⑂ 307 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick claude-mem if
- You weight community size — 94K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick EvoScientist if
- You want the EvoScientist 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 EvoScientist fits your workflow better
About claude-mem
claude mem is an Apache 2.0 TypeScript memory layer for AI coding agents that captures what an agent did during a session, compresses it with AI, and injects the relevant parts back into future sessions, built for developers running Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode and similar tools.
read the full claude-mem overview →
About EvoScientist
EvoScientist is an Apache 2.0 Python research platform that runs a self evolving team of AI scientists — six coordinated sub agents with persistent memory and installable skills — for researchers and research engineering teams who want autonomous exploration, code execution, and write up driven from one CLI, desktop WebUI, or chat channel.
read the full EvoScientist overview →
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Frequently asked questions
Is claude-mem or EvoScientist more popular?
claude-mem has 94,286 GitHub stars and EvoScientist has 4,928. claude-mem has the larger community by that measure.
Are claude-mem and EvoScientist free?
Both are open source. claude-mem is licensed under Apache-2.0 and EvoScientist under Apache-2.0. Neither carries a licence fee.
What is the difference between claude-mem and EvoScientist?
claude-mem is written in TypeScript and EvoScientist 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, claude-mem or EvoScientist?
Choose claude-mem if you want the larger community (94,286 stars) or its Apache-2.0 licence terms. Choose EvoScientist if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.