Memory
Long-term memory layers for agents and assistants.
4 projects · catalog last checked 2026-10-20. "Highlight" is editorial; status, commit and release come from the weekly evidence refresh.
Comparison
| Project | What it does | Highlight (editorial) | Deployment | Hardware | Licence | Status |
|---|---|---|---|---|---|---|
| Mem0 | Universal memory layer for AI agents | Extract-and-retrieve facts | library, self-hosted | cpu-ok | Apache-2.0 | active |
| OpenMemory | Local-first memory server (MCP) for AI tools | MCP memory server | library, self-hosted | cpu-ok | MIT | active |
| Letta | Stateful agents with self-editing memory | Agent OS with memory | library, self-hosted | cpu-ok | Apache-2.0 | active |
| Graphiti | Temporal knowledge-graph memory | Knowledge graph | library, self-hosted | cpu-ok | Apache-2.0 | active |
Quick start
pip install mem0ai
python -c "from mem0 import Memory; m=Memory(); m.add('I like Python', user_id='me'); print(m.search('language?', user_id='me'))"
OPENAI_API_KEY/OPENAI_BASE_URL; point it at your gateway.
Project details
Mem0
Universal memory layer for AI agents
| Upstream repository | Mem0 on GitHub |
| Setup docs | Mem0 setup guide |
| Licence | Apache-2.0 · licence evidence · checked 2026-10-20 |
| Licence detected by GitHub | Apache-2.0 |
| Repository state | active |
| Licence review reason | – |
| Last lookup | ok |
| Last commit | 2026-10-14 |
| Latest release | ts-v3.3.1 (2026-09-25) |
| Deployment | library, self-hosted |
| Hardware | cpu-ok |
| Languages | Python |
| Evidence collected | 2026-10-20 |
OpenMemory
Local-first memory server (MCP) for AI tools
| Upstream repository | OpenMemory on GitHub |
| Setup docs | OpenMemory setup guide |
| Licence | MIT · licence evidence · checked 2026-10-21 |
| Licence detected by GitHub | MIT |
| Repository state | active |
| Licence review reason | – |
| Last lookup | ok |
| Last commit | 2026-07-29 |
| Latest release | none detected |
| Deployment | library, self-hosted |
| Hardware | cpu-ok |
| Languages | Python |
| Evidence collected | 2026-10-20 |
Letta
Stateful agents with self-editing memory
| Upstream repository | Letta on GitHub |
| Setup docs | Letta setup guide |
| Licence | Apache-2.0 · licence evidence · checked 2026-10-20 |
| Licence detected by GitHub | Apache-2.0 |
| Repository state | active |
| Licence review reason | – |
| Last lookup | ok |
| Last commit | 2026-10-18 |
| Latest release | 0.16.8 (2026-05-14) |
| Deployment | library, self-hosted |
| Hardware | cpu-ok |
| Languages | Python |
| Evidence collected | 2026-10-20 |
Graphiti
Temporal knowledge-graph memory
| Upstream repository | Graphiti on GitHub |
| Setup docs | Graphiti setup guide |
| Licence | Apache-2.0 · licence evidence · checked 2026-10-20 |
| Licence detected by GitHub | Apache-2.0 |
| Repository state | active |
| Licence review reason | – |
| Last lookup | ok |
| Last commit | 2026-10-20 |
| Latest release | v0.31.2 (2026-10-20) |
| Deployment | library, self-hosted |
| Hardware | cpu-ok |
| Languages | Python |
| Evidence collected | 2026-10-20 |