jQuery Stick ’em plugin makes items sticky as you scroll, to a point. Easy to implement and flawless to the point of perfection, this is indeed a very useful plugin.
Glues your website's sidebars (or any vertical column for that matter), making them permanently visible when scrolling up and down. Read more
jQuery.positionSticky is a sticky positioning polyfill for jQuery. Support for display and float properties example and sidebar example included.
fixto is a jQuery plugin for sticky positioning. Fix containers to the viewport relative to an ancestor. Features Responsive Handles multiple instances Read more
jQuery lockfixed allows for DOM elements to be positioned anywhere on the page, and lock within the user's viewport when scrolling. Read more
scrollNav is a light jQuery plugin that grabs your page's existing content, divides it up into logical sections and builds Read more
ScrollNaviJs is jQuery plugin for fix navigation on top after scroll second section content, actually navigation fix in bottom of Read more