barba.js is a small, flexible and dependency free library that helps you creating fluid and smooth transitions between your website's pages.
A tutorial on how to create multi-layer page reveal effects with a couple of ideas for inspiration.
pageSwitch is a javascript library to create page switch effects. It supports 121 switching animations.
Effect simulating a tilting sheet of paper to reveal the navigation menu.
Animsition is a simple and easy jQuery plugin used to add page transition on css animations.