Element UI
React UI Components for macOS High Sierra and Windows 10
Create fluid and interactive gradient animations
Bursting particle effect buttons for React
A set of high-quality WeChat applet UI component library
Gapless, draggable grid layouts
Functional CSS for humans
A "back to top" button that behaves like a real elevator
Experimental implementation of high performance interactable views
Third-party date and time pickers for Android
All-In-One PyGI/PyGObject for Windows Installer
Material Design Components in HTML/CSS/JS
Lightning User Interface in Dart
Advanced form elements customization using CSS/JS
Responsive and slick progress bars
Generate forms from a JSON schema, with AngularJS
New generation Rapid Application Developement
Reveal CSS animation as you scroll down a page
A dynamic web menu based on PHP, Javascript and optionally a DB.
A quick & dirty XUL / XBL prototyping editor for user interface.