gofakes3 is a lightweight S3 clone written in Go that runs locally. It provides a fake AWS S3 server for testing without cloud dependencies. The tool focuses specifically on the API surface needed for testing, making it significantly lighter and faster than alternatives like MinIO. It eliminates AWS costs from development and CI pipelines while ensuring reproducible tests. Teams can onboard new...
GEO‑SEO‑Claude is an open‑source skill for Claude Code that audits websites for AI‑powered search engines. It analyzes citability, checks AI crawler access, tracks brand mentions, and generates llms.txt files. The tool provides comprehensive GEO‑first SEO optimization for ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews. Traditional SEO agencies charge $2K–$12K/month for similar...
Google Agent Development Kit (ADK) is an open-source framework for building always-on memory AI agents with Gemini 3.1 Flash‑Lite. This project enables persistent AI systems that run continuously as lightweight background processes. Unlike stateless agents that forget everything after each interaction, ADK agents maintain evolving memory over time. The framework eliminates complex infrastructure...
FreeMoCap is an open-source markerless motion capture system that works with any camera. This project transforms ordinary webcams and smartphones into research-grade motion capture devices. It eliminates the need for specialized suits, markers, or depth sensors. The system processes multiple 2D video feeds to reconstruct 3D human motion with scientific accuracy. FreeMoCap GitHub repository...
Gstack is an open-source AI orchestration framework created by Y Combinator CEO Garry Tan. It transforms Claude Code into a virtual software company with distinct AI personas. The framework includes role-based agents like CEO, Engineering Manager, and QA tester. A conductor agent enforces strategic thinking before any coding begins. Gstack GitHub repository homepage Gstack solves the problem of...
