Acontext (memodb) alternatives

'Agent Skills as a Memory Layer': an open-source skill-memory layer that stores what agents learn as agent skill files. Built by the Memobase team. The README now says Acontext is no longer maintained; the team has moved on to alook.ai. Full Acontext (memodb) record →

  1. 1 Honcho (Plastic Labs) Dedicated memory layers

    also in Dedicated memory layers · same storage (relational) · same retrieval (agentic) · same conflict handling (llm-arbitrate) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ✓ ★ 7.7k released 2026-10-21 AGPL-3.0 Compare with Acontext (memodb) →

  2. 2 OWASP Agent Memory Guard Memory governance, privacy & safety

    same storage (file) · same retrieval (exact-match) · same memory unit (file) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed — MCP ? ★ 185 released 2026-08-25 Apache-2.0 Compare with Acontext (memodb) →

  3. 3 Letta / MemGPT Dedicated memory layers

    also in Dedicated memory layers · same retrieval (agentic) · same conflict handling (llm-arbitrate) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 3.7k released 2026-10-29 Apache-2.0 Compare with Acontext (memodb) →

  4. 4 Mem0 Dedicated memory layers

    also in Dedicated memory layers · same conflict handling (llm-arbitrate) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 67k released 2026-09-25 Apache-2.0 Compare with Acontext (memodb) →

  5. 5 Supermemory Dedicated memory layers

    also in Dedicated memory layers · same conflict handling (llm-arbitrate) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 31k released 2026-10-12 MIT Compare with Acontext (memodb) →

  6. 6 Cognee Dedicated memory layers

    also in Dedicated memory layers · same conflict handling (llm-arbitrate) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 31k released 2026-10-16 Apache-2.0 Compare with Acontext (memodb) →

  7. 7 Aleph Alpha PhariaAI / PhariaCatch Dedicated memory layers

    also in Dedicated memory layers · same storage (file) · same conflict handling (llm-arbitrate) · also self-hostable

    OSS ? Self-host ✓ Managed ✓ MCP ? Compare with Acontext (memodb) →

  8. 8 AgentOps Memory observability & monitoring

    same storage (relational) · same retrieval (exact-match) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 5.8k released 2025-08-29 MIT (SDK) Compare with Acontext (memodb) →

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.