ChainMemory
Mem0
Memori
Agentmemory
Tempreon
cognee
TheSecondBrain.dev
Suprflo
Orbital
Noor
ZipMessage
Angle Audio
Commons
Between
Claap
Koo!
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
Noor - Chat like you're in the office together
Memori - Persistent memory from agent trace, not just conversation
ZipMessage - ZipMessage replaces live meetings with asynchronous conversations.
Agentmemory - Persistent memory for Claude Code, Codex & coding agents
Angle Audio - Live audio conversations as a service