Polymer/polymer-cli

Storybook is a frontend workshop maintained at storybookjs/storybook. It renders UI components and pages in isolation from your main application. Core renderers include React, Angular, Vue 3, Web Components, HTML, Ember, Svelte, and Preact, plus React Native and community support for Qwik and SolidJS. It's released under the MIT license.

Master programming by recreating your favorite technologies from scratch.

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.

Hermes Agent (NousResearch/hermes-agent) is an open-source, self-improving AI agent from Nous Research, written in Python and released under the MIT license. The README describes a closed learning loop, a terminal UI, and a messaging gateway spanning Telegram, Discord, Slack, WhatsApp, and Signal, plus support for running the agent on a VPS, a GPU cluster, or serverless infrastructure.