Pikachoose is a lightweight jQuery slideshow plugin, with many features. jCarousel integrates smoothly with PikaChoose to give your gallery simple and effective carousel. PikaChoose has API hooks for integrating lightboxes and other things.
Alpaca is the Easy Forms Engine for jQuery / Bootstrap. It is built around JSON schema to keep things simple. Using Alpaca, you can express your forms object model, types, properties and validation logic.
Alpaca comes pre-configured to work nicely with the following web frameworks:
Pusher Chat , is a Facebook like chat jQuery plugin using Pusher API.
jribbble is a jQuery plugin to fetch shot and player info from the Dribbble API
What jribbble can do?
jui_datagrid is an Ajax-enabled jQuery plugin, useful to manipulate database data in tabular format. It has built-in pagination, sorting, editing, deleting and advanced searching.
Fully customizable, simple but powerful API, jQuery themes compatible, localization support.
A jQuery plugin to hook into the YouTube Chromeless Video API.
YoxView is a free Lightbox-type media and image viewer jQuery plugin. It's easy to use and feature-rich. Images, videos, inline content, iframes, Flash contents are supported.
Spectragram is a jQuery plugin using the Instagram API to fetch and display user, popular or tags photo feeds inside a list or any container you define.
By combining support for a wide range of media with gorgeous skins and a user-friendly API, Lightview aims to push the Lightbox concept as far as possible.
simpleWeather is a simple jQuery plugin to display the weather information for any location. The data is pulled from the public Yahoo! Weather feed via the YQL API.