head to head · open source
claude-mem vs Foundry
claude-mem has 94,125 GitHub stars, 8,305 forks, 186 open issues and last shipped yesterday. Foundry has 872 stars, 129 forks, 5 open issues and last shipped 29 days ago. claude-mem leads on adoption by 10,694% (94,125 vs 872 stars). claude-mem is written in TypeScript under Apache-2.0; Foundry is written in Python under Apache-2.0. claude-mem has attracted 9% as many forks as stars, Foundry 15%. claude-mem was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai, ai-agents, artificial-intelligence), 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
| claude-mem | Foundry | |
|---|---|---|
| GitHub stars | ★ 94K | ★ 872 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-08-20 |
| Forks | ⑂ 8.3K | ⑂ 129 |
| 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 Foundry if
- You want the Foundry 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 Foundry 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 Foundry
Foundry is a Python, Apache 2.0 licensed agentic engineering framework from Promptise that gives developers one install for building AI agents, the tools they call, the reasoning they follow, and the governed runtime that serves them to customers.
read the full Foundry overview →
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Frequently asked questions
Is claude-mem or Foundry more popular?
claude-mem has 94,125 GitHub stars and Foundry has 872. claude-mem has the larger community by that measure.
Are claude-mem and Foundry free?
Both are open source. claude-mem is licensed under Apache-2.0 and Foundry under Apache-2.0. Neither carries a licence fee.
What is the difference between claude-mem and Foundry?
claude-mem is written in TypeScript and Foundry 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 Foundry?
Choose claude-mem if you want the larger community (94,125 stars) or its Apache-2.0 licence terms. Choose Foundry if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.