FlashList

React Native is an open-source framework for building native applications with React. JavaScript components, declarative UI, hooks, and Suspense are rendered through native platform UI on Android, iOS, and other platforms, while Fast Refresh applies JavaScript changes without rebuilding the native app. Native Modules allow JavaScript code to call platform code directly, and the framework can be adopted incrementally in existing applications or used with production frameworks such as Expo. React Native is developed by companies and individual core contributors and is distributed under the MIT license.

Legend List is a performance-focused list library used in T3 Code to improve rendering and scrolling on mobile, web, and Electron.

React Native Reanimated is an animation and interaction library created by Software Mansion. Its repository also contains React Native Worklets, which enables multithreaded JavaScript execution in React Native applications. Reanimated and Worklets are distributed under the MIT License; Reanimated 4.x and Worklets support the New React Native architecture and the three latest React Native versions.

Legend State is a performance-focused library in the React ecosystem, associated with Legend List.

React is a JavaScript library for building web and native user interfaces. It uses declarative views that update the appropriate components when application data changes, and lets developers compose encapsulated, state-managing components into larger interfaces. React code can use JSX, an HTML-like syntax for defining interface elements, although JSX is optional. The library is designed for gradual adoption, can render on the server with Node, and supports mobile applications through React Native. Its core repository is developed openly on GitHub under the MIT license.