yang991178/fluent-reader

Atom was a cross-platform, hackable text editor built on Electron that shipped with deep customizability baked in — you could swap out themes, install packages from a large ecosystem, and modify the editor's core behavior through JavaScript. Its main appeal was that it married the accessibility of a GUI editor with the extensibility of a code editor: the Flight Manual and API reference were well-maintained, and the package system gave it a second life beyond what GitHub shipped out of the box. The catch, and it's a significant one, is that Atom was officially archived on December 15, 2022 — no new releases, no security patches, no upstream updates, which makes it a poor choice for any new work today. If you're evaluating it for historical reasons or curious about its architecture, the codebase is still worth studying; just don't spin it up for active development.

microsoft/vscode is the GitHub repository where Microsoft develops the Visual Studio Code editor together with the community, published under the MIT license. The README draws a clear line between this open Code - OSS source and the Microsoft-branded Visual Studio Code product, a separate distribution built from this code plus Microsoft-specific customizations.

Ant Design is an open-source React UI library and design language maintained at ant-design/ant-design on GitHub. Its README describes pre-built TypeScript components, a CSS-in-JS theme-customization system, and locale support spanning dozens of languages, aimed at enterprise-class web apps. The project is released under the MIT license.

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.