JavaScript libraries
Touch enabled jQuery plugin that lets you create beautiful responsive carousel slider

Maps
OpenStreetMap is the free wiki world map

PaaS
Websites for you and your projects hosted directly from your GitHub repository Just edit push and your changes are live

UI frameworks
Powerful extensible and feature packed frontend toolkit Build and customize with Sass utilize prebuilt grid system and components and bring projects to life with powerful JavaScript plugins

CMS
Joomla is the mobile ready and user friendly way to build your website Choose from thousands of features and designs Joomla is free and open source

Domain parking
Home page of The Apache Software Foundation

Web frameworks
JoomShaper is a premium joomla templates club has more than 122 premium responsive joomla templates and joomla extensions

Since 1983 developing the free Unix style operating system GNU so that computer users can have the freedom to share and improve the software they use