ChainMemory
Mem0
Memori
Agentmemory
Tempreon
cognee
TheSecondBrain.dev
Suprflo
Refly
Hemingway
ProWritingAid
Write App
Textio
exegesis
Qordoba
Skillroads
ChainMemory gives your AI agents persistent memory that belongs to YOU — 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 — 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.
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Mem0 - Your private, local memory layer for all AI tools
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Memori - Persistent memory from agent trace, not just conversation
ProWritingAid - For the smarter writer. A grammar checker, style editor, and writing mentor in one package.
Agentmemory - Persistent memory for Claude Code, Codex & coding agents
Write App - No-distraction writing tool for your productivity.