Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

Secure, Fast, and Extensible Sandbox runtime for AI agents.

A Web3 wallet and agent platform for the Unicity network - dual-layer crypto wallet, DMs, group chat, and marketplace.

28 eval-informed mental models and critical-thinking skills for Claude Code, GitHub Copilot, Codex, Cursor, and other Agent Skills-compatible tools

Introduce technologies on blockchain and distributed ledger, from theory to practice with bitcoin, ethereum and hyperledger.

Visualizer for pandas data structures

Bartosz Milewski's 'Category Theory for Programmers' unofficial PDF and LaTeX source

Task management for the Obsidian knowledge base.

快速上手AI理论及应用实战：基础知识、Transformer、NLP、ML、DL、竞赛。含大量注释及数据集，力求每一位能看懂并复现。

Static analyzer for C/C++ based on the theory of Abstract Interpretation.

Android open source calendar

ArcticDB is a high performance, serverless DataFrame database built for the Python Data Science ecosystem.