Socialight is a Vanilla.js library to get social network share counts of your links. Socialight support Facebook, Twitter, Google+, Linkedin, Pinterest and Buffer.
jqGifPreview is a jQuery plugin tocreate GIF preview just like Facebook. This plugin use first frame of GIF image as preview image.
FaceMocion is a plugin to create Facebook emoticons with jQuery and CSS. It allows you to turn any text input emoticons on the page into cute little smiling faces.
jQuery prettySocial is a custom share buttons for Pinterest, Twitter, Facebook and Google Plus.
JQ.LiveLike is Live Facebook Like Counter that makes your website more interactive.
Pusher Chat , is a Facebook like chat jQuery plugin using Pusher API.
Facio is a jQuery plugin that will have the recent feeds of your Facebook fan page and will also display what other people are talking about it. A like box for the fan page is also displayed in the widget. Just include this plugin, specify your fan page URL and expose social content of your fan page on your website.
SocialCount is a small jQuery plugin for progressively enhanced, lazy loaded, mobile friendly social networking widgets. This plugin currently supports Facebook, Twitter, and Google Plus.