ChainMemory
Tempreon
TheSecondBrain.dev
Memori
Agentmemory
OpenMemory MCP
Pinecone
Memo.ai
GitHub Chat
OSS Chat
Cmd J โ ChatGPT for Chrome
Monica
Cursor
OpenAI
LobeHub
DeepSeek
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
GitHub ChatTempreon - A personal memory layer for your AI tools, connected over MCP.
OSS Chat - Open source AI chat workspace - chat with every AI model in one place
TheSecondBrain.dev - One Brain. Everywhere you work. One memory for Claude, ChatGPT, Cursor and every AI tool you use. Runs in your own Cloudflare account. Open source.
Cmd J โ ChatGPT for Chrome - Use ChatGPT on any tab without copy-pasting
Memori - Persistent memory from agent trace, not just conversation
Monica - Monica is an open-source personal CRM to keep track of your friends and family.