VEKTOR Memory alternatives

Node.js/TypeScript-native memory layer. SQLite + local Transformers.js embeddings (~80MB model via WebAssembly). AUDN loop (Add/Update/Delete/None) resolves contradictions before write rather than at retrieval — read-after-write consistency. Full VEKTOR Memory record →

  1. 1 Mem0 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 self-hostable · also offered managed

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

  2. 2 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 self-hostable · also offered managed

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

  3. 3 Supermemory Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also self-hostable · also offered managed

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

  4. 4 O-Mem 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 self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 79 Apache-2.0 Compare with VEKTOR Memory →

  5. 5 Memori Dedicated memory layers

    also in Dedicated memory layers · same storage (relational, vector) · same retrieval (similarity) · same memory unit (fact, episode) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 17k released 2026-05-28 Apache-2.0 Compare with VEKTOR Memory →

  6. 6 OpenMemory MCP Claude Code memory mechanisms

    same storage (relational, vector) · same retrieval (similarity) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also self-hostable · also has MCP

    OSS ✓ Self-host ✓ Managed ? MCP ✓ ★ 67k Apache-2.0 (mem0 monorepo) Compare with VEKTOR Memory →

  7. 7 Pieces for Developers (LTM) Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS ? Self-host ✓ Managed ✓ MCP ✓ ★ 113 Compare with VEKTOR Memory →

  8. 8 Memory Store (now MemStore) Dedicated memory layers ⚠ renamed — now MemStore

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (fact, episode) · also self-hostable · also offered managed · also has MCP

    OSS ? Self-host ✓ Managed ✓ MCP ✓ Compare with VEKTOR Memory →

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.