Waypoints is a small jQuery plugin that makes it easy to execute a function whenever you scroll to an element. Waypoints makes a solid base for modern UI patterns that depend on a user’s scroll position on the page.
Autobrowse plugin adds automatic ajax loading of page content when the user scrolls the page, with built-in browser cache. Simply use autobrowse(options) on a container that you want to fill with content.
Endless scroll is a jQuery plugin that can be used instead of the traditional paging system (page 1 of 10, next, previous etc) for large data sets. As we scroll down, with this plugin we can add additional data to display at the bottom of the page.