Hunt down social media accounts by username across social networks

The official source code repository for the calibre ebook manager

A collaborative note taking, wiki and documentation platform that scales. Built with Django and React.

The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.

Free and open-source map hosting solution with custom styles for websites and apps, using OpenStreetMap data

The open source repository for Electricity Maps data parsers that powers the world's most comprehensive electricity data platform