denysdovhan/learnyouhtml

Web Development for Beginners - A Curriculum is Microsoft's free, MIT-licensed course of 24 lessons spread across 12 weeks, covering JavaScript, CSS, and HTML. Built by Microsoft Cloud Advocates, it pairs quizzes with five hands-on projects, a terrarium, a typing game, a browser extension, a space game, and a banking app, and ships in 50+ language translations.

freeCodeCamp is a free, self-paced curriculum for learning to code, published as open source at freeCodeCamp/freeCodeCamp. It's a 501(c)(3) nonprofit funded by donor support, structured around six certifications in its Full-Stack Developer Curriculum, each gated by required projects instead of open-book quizzes. The repository also carries beta language certifications for developers, interview-prep resources, and the code that runs the live freecodecamp.org platform.

Bootstrap is an open-source front-end framework maintained at twbs/bootstrap. It ships compiled and minified CSS and JavaScript for building responsive, mobile-first sites, is licensed under MIT, and the release referenced throughout the README's install instructions is v5.3.8. The project was created by Mark Otto and Jacob Thornton, and its documentation is built with Astro and hosted at getbootstrap.com.

Electron (electron/electron on GitHub) is an open-source, MIT-licensed framework for building cross-platform desktop apps with JavaScript, HTML, and CSS on top of Node.js and Chromium. The README covers installing it as a dev dependency through npm, lists platform support for macOS, Windows, and Linux, and points to a companion tool, Electron Fiddle, for trying the API before starting a full project.