refetch-io/refetch: Open-source alternative to YC-controller HN

Refetch is an open-source alternative to Hacker News built with Next.js 15, TypeScript, and Appwrite. It features AI-powered content discovery, modern responsive design, multilingual support, and community-driven curation. The platform automatically discovers tech content from 20+ sources, uses intelligent ranking algorithms, and provides a privacy-first approach with transparent, open-source architecture.