ChainMemory
Agentmemory
Memori
OpenMemory MCP
Tempreon
TheSecondBrain.dev
cognee
Claiv Memory
Docmancer.dev
Agentmemory
MEMANTO
Memori
OpenMemory
ChainMemory gives your AI agents persistent memory that belongs to YOU โ not to a single vendor.
Save a memory in ChatGPT, recall it in Claude or Gemini. Available via Chrome extension, MCP server (npm), or REST API. Every memory gets a cryptographic fingerprint and project states are anchored with Merkle proofs, so anyone can independently verify integrity โ no trust required.
Memories consolidate into a structured Project Brain (decisions, milestones, risks) instead of a pile of raw notes. Multi-agent native: Claude, Cursor and GPT share one consolidated state. Free tier available.
ChainMemory
Docmancer.devAgentmemory - Persistent memory for Claude Code, Codex & coding agents
Memori - Persistent memory from agent trace, not just conversation
MEMANTO - An open source memory layer for building, scaling, and deploying AI agents with persistent semantic recall in production.
OpenMemory MCP - Your private, local memory layer for all AI tools
Tempreon - A personal memory layer for your AI tools, connected over MCP.
OpenMemory - Give AI agents long-term memory.