You searched a paid product
Mem0 Platform does 3 jobs: long-term memory for chat assistants, memory for coding agents, knowledge graph memory. Most projects replace one or two of them, so pick the job you actually need.
We track 4 open-source alternatives to Mem0 Platform, but none currently has confirmed commercial use, local running and no paid services together. Hindsight covers all 3 Mem0 Platform jobs.
Local-first MCP memory server that stores what you and your AI write as linked Markdown files with full-text and semantic search.
Memory plugin for Claude Code and other coding agents that captures tool use, summarises sessions and injects context into new sessions.
Self-hostable agent memory server that extracts facts, entities and relationships from conversations and recalls them for AI agents.
Open-source memory layer for AI assistants and agents, as a Python/Node library or a self-hosted server with dashboard.
No project meets all of your requirements. The list below shows what you'd need to relax.
We hid them because something is missing, unknown or conflicting. Here's what.
Yes. Hindsight, Basic Memory and Mem0 (open source) are free to download and run on your own computer without paid API keys. Hindsight covers every job we list for Mem0 Platform; the others cover only part of it, so check which job you need.
Yes, with Hindsight (MIT) and Mem0 (open source) (Apache-2.0). Check the hardware notes and licence conditions on each page before you start.
Yes, with Claude-Mem (Apache-2.0), Hindsight (MIT) and Basic Memory (AGPL-3.0). Check the hardware notes and licence conditions on each page before you start.
Confirmed: Claude-Mem, Hindsight and Mem0 (open source). With conditions: Basic Memory. This is not legal advice; read each licence.
Hindsight covers every job we list for Mem0 Platform.