VNPy

Open-source investment research platform that integrates multiple financial data sources (Yahoo Finance, Alpha Vantage, etc.) with unified API. Features built-in MCP server for AI agent integration, enabling Claude and other LLMs to query financial data directly.

Privacy-first activity tracker that monitors Claude and Codex AI coding usage while keeping data local.

An open-source framework that makes all software agent-native — auto-generates production-ready CLIs for any application via a 7-phase pipeline, enabling AI agents to control any desktop software. Supports 16+ AI agent platforms including Claude Code, OpenClaw, Codex and includes CLI-Hub for community CLI discovery.

LLM Stats, the most comprehensive LLM leaderboard, benchmarks and compares API models using daily‑updated, open‑source community data on capability, price, speed, and context length.

Free open-source macOS app that shows every open network port and lets you manage the process behind it.

GitHub's open-source toolkit for Spec-Driven Development (SDD). Provides the `specify` CLI and slash commands (/speckit.specify, /speckit.plan, /speckit.implement, etc.) that integrate with 30+ AI coding agents to turn specifications into executable implementation plans.