Flickity - touch enabled and responsive gallery
PHPVerbalExpressions - the easiest way to start with Regular Expressions. Write it in OOP way
$regex=new VerbalExpressions;
$regex ->startOfLine()
->then("http")
->maybe("s")
->then("://")
->maybe("www.")
->anythingBut(" ")
->endOfLine();
$regex->test("http://d.com")
A lot of implementations on other languages exist
Flickity - touch enabled and responsive gallery
Waypoints is a JS library that makes it easy to execute a function whenever you scroll to an element.
snabbt.js - minimalistic animation library in JavaScript
Chartspree.io - kind a Lorem Ipsum charts. Allow to insert chart as image src.
Hover.css - a great collection of CSS3 powered hover effects to be applied to links, buttons, logos, SVG, featured images and so on.