LangSmith
Langfuse
Helicone AI
LangChain
Portkey
Humanloop
Braintrust.dev
Braintrust
ChainMemory
Agentmemory
OpenMemory MCP
Pinecone
Memo.ai
Memori
cognee
MemoryLake
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.
LangSmith
ChainMemoryLangSmith is recommended for AI developers, machine learning engineers, and businesses aiming to build, test, and optimize applications based on language models. It is particularly useful for teams that require robust evaluation tools and a streamlined process for managing and deploying language-driven applications.
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Langfuse - Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
Agentmemory - Persistent memory for Claude Code, Codex & coding agents
Helicone AI - Open-source LLM Observability for Developers
OpenMemory MCP - Your private, local memory layer for all AI tools
LangChain - Framework for building applications with LLMs through composability
Pinecone - Search through billions of items for similar matches to any object, in milliseconds. Itโs the next generation of search, an API call away.