
ChainMemory
Mem0
Agentmemory
Memori
Tempreon
cognee
TheSecondBrain.dev
Suprflo
Jot
Evernote
Notion
Tyke
Mochi
Agenda
Thought Train
Apptorium
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
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Mem0 - Your private, local memory layer for all AI tools
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Agentmemory - Persistent memory for Claude Code, Codex & coding agents
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Memori - Persistent memory from agent trace, not just conversation
Tyke - Mac menu bar app that @torrez really needed to take notes