jQuery GoUp! is a simple jQuery plugin that let users of your web pages go back directly to the top.
Scrollspy is a jQuery plugin for detecting enter/exit of elements in the viewport when the user scrolls.
Pagescroll Menu is ajQuery plugin to create animated scroll menu.
Features
stroll.js is a collection of CSS list scroll effects. Works in browsers with support for CSS 3D transforms including a special touch-enabled mode for iOS & Android 4.x.
browserSwipe.js is a simple tool to allow for trackpad swipe events when you have disabled scrolling on your site.
Fixed Nav is a responsive, fixed and touch friendly one page navigation with animated scrolling.
scroll2Top is a simple customizable jQuery plugin for scrolling back to top of page.
stickyNavbar.js is a jQuery plugin that helps you stick your navigation bars to the top of the browser window during scrolling. It could stop right here but stickyNavbar.js offers more: you can use your favourite jQuery effects or even fantastic Animate.css library to spice up your navigation.
ScrollMagic is a jQuery plugin which essentially lets you use the scrollbar like a progress bar.
You can...
Scroll Depth is a small Google Analytics plugin that tracks how far users are scrolling. It monitors the 25%, 50%, 75%, and 100% scroll marks, sending a Google Analytics Event at each one.
You can also track when specific elements on the page are scrolled into view.
jQuery Smooth Scroll Plugin automatically make same-page links scroll smoothly.
ScrollStory is a jQuery UI widget for building simple, scroll-based pages and interactions.
Key features include:
jQuery Flip-Quote creates a pull-quote from a text quote found in the document and flips to reveal the quote once it's scrolled into view. It also has a click feature that scrolls into and highlights the quote origin on the document.
Slinky.js is a jQuery plugin to create beautiful scrolling driven navigation lists with stacking headers that remain visible at all times.
Promo Slide is a jQuery plugin to show content on your site. After scrolling to the bottom of the page, a slide-out panel appears with more content.
The container HTML can be customized. Template placeholders can be used, and then passed in dynamically at the time the plugin is initialized in the DOM.