“knowledge graphs”

Open-source Python framework for building temporal knowledge graphs that AI agents can query.

Open-source AI memory platform that turns documents, code and conversations into a knowledge graph for agents.

Open-source, Markdown-based knowledge graph memory that AI clients use over MCP.

APIs that turn public web pages and entities into structured, verified facts for AI applications.

Memory operating system for LLMs and AI agents that stores, retrieves and manages long-term memory.