O-Mem alternatives

Omni memory system for personalised, long-horizon, self-evolving agents. From OPPO PersonalAI. Full O-Mem record →

  1. 1 Mem0 Dedicated memory layers

    also in Dedicated memory layers · same storage (vector, graph) · same retrieval (similarity, graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact, episode) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 67k released 2026-09-25 Apache-2.0 Compare with O-Mem →

  2. 2 Supermemory Dedicated memory layers

    also in Dedicated memory layers · same storage (vector, graph) · same retrieval (similarity, graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 31k released 2026-10-12 MIT Compare with O-Mem →

  3. 3 Cognee Dedicated memory layers

    also in Dedicated memory layers · same storage (graph) · same retrieval (similarity, graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 31k released 2026-10-16 Apache-2.0 Compare with O-Mem →

  4. 4 Mem0 Security / OpenMemory Memory governance, privacy & safety

    same storage (vector, graph) · same retrieval (similarity, graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 67k released 2026-09-25 Apache-2.0 Compare with O-Mem →

  5. 5 Zep & Graphiti Dedicated memory layers

    also in Dedicated memory layers · same storage (graph) · same retrieval (similarity, graph-traversal) · same memory unit (fact, episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 32k released 2026-09-01 Apache-2.0 Compare with O-Mem →

  6. 6 Letta / MemGPT Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same conflict handling (llm-arbitrate) · same memory unit (fact, episode) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 3.7k released 2026-10-29 Apache-2.0 Compare with O-Mem →

  7. 7 Hindsight MCP Claude Code memory mechanisms

    same storage (graph) · same retrieval (graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact, episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 45k released 2026-10-21 MIT Compare with O-Mem →

  8. 8 Strands Agents Memory (AWS) Framework-embedded memory

    same storage (vector, graph) · same retrieval (similarity, graph-traversal) · same conflict handling (llm-arbitrate) · same memory unit (fact, episode) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 8.9k Apache-2.0 Compare with O-Mem →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.