JavaScript libraries
jQuery UI is a curated set of user interface interactions effects widgets and themes built on top of the jQuery JavaScript Library Whether you re building highly interactive web applications or you just need to add a date picker to a form control jQuery UI is the perfect choice

CMS
Open source software which you can use to easily create a beautiful website blog or app

JavaScript libraries
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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