ChainMemory
Mem0
Agentmemory
Memori
Tempreon
cognee
TheSecondBrain.dev
Suprflo
Toby
OneTab
Raindrop.io
Workona
start.me
Session Buddy
Diigo
tabExtend
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
OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
Agentmemory - Persistent memory for Claude Code, Codex & coding agents
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Memori - Persistent memory from agent trace, not just conversation
Workona - A better way to work in the browser.