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
A Web Component for an interactive REST console based on RAML files
Component oriented framework inspired by Mithril and ReactJs (work in progress)
An UI component for Employee Scheduling application.
The backend component of 'whereabouts', stores relevant network events in mongo.
A reactJS component that integrates Twitter's typeahead autosuggest control
A component library for crafting ambitious interfaces.
Bitrix migration based on Doctrine migration component
Allows to use React.js component as HTML element (web component)
Dandelion component for Google Universal Analytics
Alicatejs is a single page, templateless, component oriented MVC framework
React.js + prismjs syntax hightlight component
A free Joomla! component for churchs to share their sermons.
A Derby component library based on Twitter Typeahead
A simple timepicker component for Twitter Bootstrap
Validator Component inspired by https://github.com/symfony/Validator.
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.
Setty component solves two common problems - management of key-value settings and management of .NET config files (App.config and Web.config)