Semantic is a UI component framework based around useful principles from natural language. Forkable JSFiddle: https://jsfiddle.net/ca0rovs3/

Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity

React.js Google Maps integration component

Functional component library for Java 8+.

Simple Grid Component written in React

A toolchain for React component styling.

A Gantt chart directive for AngularJS

Prado - Component Framework for PHP 5 and 7

A Web Component for an interactive REST console based on RAML files

A light-weight, dynamic data access component for C# 4.0

Animated javascript navigation component based on Raphaël.js (SVG/VML). It can be a pie menu (radial menu, circular menu) and many more.

Component oriented framework inspired by Mithril and ReactJs (work in progress)

Dandelion component for DataTables

An UI component for Employee Scheduling application.

React.js toastr component

The backend component of 'whereabouts', stores relevant network events in mongo.

A reactJS component that integrates Twitter's typeahead autosuggest control

Orchestra Platform 2 Memory Component

A component library for crafting ambitious interfaces.

A light-weight, dynamic data access component for C# 4.0

Bitrix migration based on Doctrine migration component

Date range picker component for Twitter Bootstrap

Slider tabs component for AngularJS

Dandelion component for Google Universal Analytics

Alicatejs is a single page, templateless, component oriented MVC framework

Allows to use React.js component as HTML element (web component)

React.js + prismjs syntax hightlight component

Open Source Fiddle Web Component

A free Joomla! component for churchs to share their sermons.

A Derby component library based on Twitter Typeahead

Tree Grid Component for AngularJS

Derby rich text editor component based on Quill

REACT.js component inspector

Component Cookie Disclaimer

A simple timepicker component for Twitter Bootstrap

Scoutify: The Merger component.

Validator Component inspired by https://github.com/symfony/Validator.

An Ember.js Component to integrate select2

A React.js Table Sorter Component

Entity Component System for Rust

JConverter is a Joomla 1.5 component for converting a Wordpress blog to Joomla. It imports posts, pages, categories, users and even links from Wordpress to Joomla.

Drag-based JavaScript component, embracing endless UI solutions

Setty component solves two common problems - management of key-value settings and management of .NET config files (App.config and Web.config)

Asynchronous DNS component for Icicle.