Fellou alternatives

Silicon Valley. Spatial agentic browser with explicit Agentic Memory layer learning from history and notes for instant recall of past research sessions. Operates on logged-in accounts (Quora, X, etc.); runs tasks while user is idle. Full Fellou record →

  1. 1 LabGenius Vertical / domain-specific AI memory

    same storage (proprietary) · same retrieval (agentic) · also offered managed

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

  2. 2 Pydantic-AI MemoryTool Framework-embedded memory

    same storage (proprietary) · same retrieval (agentic) · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 20k MIT Compare with Fellou →

  3. same storage (proprietary) · same retrieval (agentic)

    OSS — Self-host ? Managed ? MCP ? proprietary Compare with Fellou →

  4. 4 Perplexity Brain Platform-provider memory

    same storage (proprietary) · same retrieval (agentic)

    OSS — Self-host ? Managed ? MCP ? proprietary Compare with Fellou →

  5. 5 π0.5 (Physical Intelligence) Vertical / domain-specific AI memory

    same memory unit (trajectory) · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 13k Apache-2.0 (openpi repo; repo also ships a… Compare with Fellou →

  6. 6 Letta / MemGPT Dedicated memory layers

    same retrieval (agentic) · also offered managed

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

  7. 7 Browserbase Browser-agent memory

    also in Browser-agent memory · also offered managed

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

  8. 8 Interloom Dedicated memory layers

    same storage (proprietary) · also offered managed

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

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.