Memvid alternatives

Single-file memory layer (one .mv2 file). No DB, no server. Append-only sequence of immutable Smart Frames with timestamps + checksums. Native Rust core (rewritten from Python). Full Memvid record →

  1. 1 Aleph Alpha PhariaAI / PhariaCatch Dedicated memory layers

    also in Dedicated memory layers · same storage (file) · same retrieval (similarity) · same memory unit (document) · also self-hostable · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ? Compare with Memvid →

  2. 2 Logseq Personal AI / PKM / lifelogging memory

    same storage (file) · same retrieval (similarity) · same conflict handling (append) · same memory unit (document) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 45k released 2026-10-07 AGPL-3.0 Compare with Memvid →

  3. 3 Otter.ai Voice-first / wearable AI memory

    same storage (file) · same retrieval (similarity) · same conflict handling (append) · same memory unit (document) · also offered managed · also has MCP

    OSS ? Self-host — Managed ✓ MCP ✓ Compare with Memvid →

  4. 4 Read.ai Voice-first / wearable AI memory

    same storage (file) · same retrieval (similarity) · same conflict handling (append) · same memory unit (document) · also offered managed · also has MCP

    OSS ? Self-host — Managed ✓ MCP ✓ Compare with Memvid →

  5. 5 AutoGLM (Zhipu AI) Dedicated memory layers

    also in Dedicated memory layers · same storage (file) · same retrieval (similarity) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 26k Apache-2.0 Compare with Memvid →

  6. 6 Supermemory Dedicated memory layers

    also in Dedicated memory layers · same retrieval (similarity) · same memory unit (document) · also open source · also self-hostable · also offered managed · also has MCP

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

  7. 7 Cognee Dedicated memory layers

    also in Dedicated memory layers · same retrieval (similarity) · same memory unit (document) · also open source · also self-hostable · also offered managed · also has MCP

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

  8. 8 Limitless Voice-first / wearable AI memory ⚠ acquired — acquired by Meta

    same storage (file) · same retrieval (similarity) · same conflict handling (append) · same memory unit (document) · also offered managed · also has MCP

    OSS ? Self-host — Managed ✓ MCP ✓ Compare with Memvid →

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.