Use this page for a quick, categorized list of WordPress functions that are commonly used when building, updating and maintaining templates. Simple, Easy, Copy-Pasta. The quick guide to common WordPress > Template functions.
The CSS3 Animation Cheat Sheet is a set of preset, plug-and-play animations for your web projects. All you need to do is add the stylesheet to your website and apply the premade CSS classes to the elements you want animated.
What WordPress Theme Is That is a free online tool allows you to easily detect what WordPress theme a site uses (including parent and child themes).
Additionally, it will also detect what WordPress Plugins are being used.