Analytics
Plausible is a lightweight and open source Google Analytics alternative Your website data is 100 yours and the privacy of your visitors is respected

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

JavaScript libraries
jQuery The Write Less Do More JavaScript Library

JavaScript libraries
Robust JavaScript UI Component Library

WordPress themes
The default WordPress theme that graced version 1 5 to version 2 9 based on the famous Kubrick