Magnific Popup

Fast, light, mobile-friendly and responsive lightbox and modal dialog plugin. Open inline HTML, ajax loaded content, image, form, iframe (YouTube video, Vimeo, Google Maps), photo gallery. Animation effects added with CSS3 transitions. For jQuery or Zepto.

Handsontable

Minimalistic spreadsheet-like data grid editor that provides copy/paste functionality compatible with Excel/Google Docs

Form

A simple way to AJAX-ify any form on your page; with file upload and progress support.

DevBridge Autocomplete

Autocomplete provides suggestions while you type into the text field.

Infinite Ajax Scroll

jQuery plugin that progressively enhances your server-side pagination

jTable

A JQuery plugin to create AJAX based CRUD tables (grids). It supports paging, sorting, selecting, master/child tables, show/hide/resize columns, localization, themes and more.

Fancytree

Fancytree is a JavaScript dynamic tree view plugin for jQuery with support for persistence, keyboard, checkboxes, drag’n'drop, and lazy loading.

Custombox

jQuery Modal Window Effects with transitions CSS3.

Pronto

A jQuery plugin for faster page loads. Part of the formstone library.

ParamQuery Grid

Data grid inspired by MS Excel, provides sorting, paging, grouping, rows and cell selections, frozen rows, frozen columns, Add, delete, update, search, can display HTML, JSON, Array, XML, inline editing, virtual rendering, virtual scrolling, cross browser, cross platform, Themeroller ready with 24 ready to use themes.