head to head · open source
nocturne_memory vs projectmem
nocturne_memory has 1,371 GitHub stars, 170 forks, 6 open issues and last shipped yesterday. projectmem has 833 stars, 42 forks, 2 open issues and last shipped 8 days ago. nocturne_memory leads on adoption by 65% (1,371 vs 833 stars). nocturne_memory is written in Python under MIT; projectmem is written in Python under MIT. nocturne_memory has attracted 12% as many forks as stars, projectmem 5%. nocturne_memory was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (agentic-ai, ai-memory, claude, claude-code), 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
| nocturne_memory | projectmem | |
|---|---|---|
| GitHub stars | ★ 1.4K | ★ 833 |
| License | MIT | MIT |
| Written in | Python | Python |
| Last push | 2026-09-22 | 2026-09-15 |
| Forks | ⑂ 170 | ⑂ 42 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nocturne_memory if
- You weight community size — 1.4K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick projectmem if
- You want the projectmem feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and projectmem fits your workflow better
About nocturne_memory
Nocturne Memory is an MIT licensed, Python based Long Term Memory Server that speaks the Model Context Protocol, giving MCP capable agents persistent, structured, rollbackable memory across sessions, models and tools — built for anyone running Claude Code, Cursor, Gemini CLI, Codex or another MCP client who is tired of an agent that forgets who it is.
read the full nocturne_memory overview →
About projectmem
projectmem is an open source, local first memory layer for AI coding agents, built for developers who use Claude Code, Claude Desktop, Cursor, Antigravity or Codex and want each new session to start from what the project already learned rather than from nothing.
read the full projectmem overview →
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Frequently asked questions
Is nocturne_memory or projectmem more popular?
nocturne_memory has 1,371 GitHub stars and projectmem has 833. nocturne_memory has the larger community by that measure.
Are nocturne_memory and projectmem free?
Both are open source. nocturne_memory is licensed under MIT and projectmem under MIT. Neither carries a licence fee.
What is the difference between nocturne_memory and projectmem?
nocturne_memory is written in Python and projectmem 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, nocturne_memory or projectmem?
Choose nocturne_memory if you want the larger community (1,371 stars) or its MIT licence terms. Choose projectmem if its feature set, stack or MIT licence fits better. Both are self-hostable.