memsearch (Zilliz) alternatives

Zilliz's persistent memory layer shared across agents like Claude Code and Codex: Markdown files are the source of truth, and Milvus indexes them for search. from the Milvus vendor Full memsearch (Zilliz) record →

  1. 1 agentmemory (rohitg00) Coding-agent memory

    also in Coding-agent memory · same storage (vector) · same retrieval (hybrid-rerank) · same memory unit (summary) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ✓ ★ 30k released 2026-10-21 Apache-2.0 Compare with memsearch (Zilliz) →

  2. 2 OpenAI Codex (cloud agent) Coding-agent memory

    also in Coding-agent memory · same storage (file) · same memory unit (summary) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 128k released 2026-10-27 Apache-2.0 (Codex CLI; cloud agent proprietary) Compare with memsearch (Zilliz) →

  3. 3 BGE-M3 Retrieval-as-memory hybrids

    same storage (vector) · same retrieval (hybrid-rerank) · same memory unit (chunk) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 12k released 2026-08-24 MIT Compare with memsearch (Zilliz) →

  4. 4 AI Singapore SEA-LION Dedicated memory layers

    same storage (vector) · same retrieval (hybrid-rerank) · same memory unit (chunk) · also self-hostable

    OSS ? Self-host ✓ Managed ✓ MCP — Compare with memsearch (Zilliz) →

  5. 5 Aider Coding-agent memory

    also in Coding-agent memory · same storage (file) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed — MCP — ★ 41k released 2026-02-12 Apache-2.0 Compare with memsearch (Zilliz) →

  6. 6 Gemini CLI memory (save_memory / GEMINI.md) Coding-agent memory

    also in Coding-agent memory · same storage (file) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ✓ ★ 108k released 2026-10-21 Apache-2.0 Compare with memsearch (Zilliz) →

  7. 7 LazyGraphRAG Retrieval-as-memory hybrids

    same retrieval (hybrid-rerank) · same memory unit (chunk) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 35k released 2026-08-21 MIT Compare with memsearch (Zilliz) →

  8. 8 KAG Retrieval-as-memory hybrids

    same retrieval (hybrid-rerank) · same memory unit (chunk) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 9.0k released 2025-06-28 Apache-2.0 Compare with memsearch (Zilliz) →

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.