ChainMemory
Mem0
Agentmemory
Memori
Tempreon
cognee
TheSecondBrain.dev
Suprflo
Supermax
Aurora
Blockstrap
BlockCypher
Block Protocol
Pocket Network's Portal
Amazon Managed Blockchain
The Graph
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
Aurora - Download apks from Google Play Store
Agentmemory - Persistent memory for Claude Code, Codex & coding agents
Blockstrap - HTML5 framework and API for Bitcoin, Litecoin, and Dogecoin
Memori - Persistent memory from agent trace, not just conversation
BlockCypher - AWS for Block Chains