jQuery Brazzers Carousel is a lightweight, responsive thumbnails hover carousel plugin for Blogs & Online Stores.
Horizon Swiper is a lightweight and free jQuery swiper plugin. It has many options and it works with your simple native browser scrolling.
Woco Accordion is a simple, user-friendly and lightweight jQuery accordion plugin with smooth animations powered by CSS3 transitions.
Enllax is an ultra-lightweight and super easy to use plugin for parallax scrolling effect.
Selectivity.js is a modular and lightweight selection library for jQuery and Zepto.js.
ToProgress is a lightweight, no-dependency top progress bar library.
TabbedContent is a lightweight tabs plugin that uses the HTML5 history API to add your tab navigation to your browser's history. Also it is compatible with Bootstrap.
Layzr.js is a small, fast, modern, and dependency-free library for lazy loading images.
jMosaic is a lightweight jQuery plugin that can take a list of page elements and arrange them in a beautiful, tight-fitted tile mosaic grid.