Internationalize React apps. This library provides React components and an API to format dates, numbers, and strings, including pluralization and handling translations.
Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.
Lightweight, robust, elegant syntax highlighting. A spin-off project from Dabblet.
Chosen is a library for making long, unwieldy select boxes more friendly.
LoopBack makes it easy to build modern applications that require complex integrations.
MJML: the only framework that makes responsive-email easy
Semantic empowers designers and developers by creating a shared vocabulary for UI.
Medium.com WYSIWYG editor clone.
Reactive libraries for Angular
The official jQuery user interface library.