Build your own jquery wih modules you require

Link here.

A nice and minimalistic progress bar

Link here.

Simple nice plugin to show tips on hovering on elements the way you want to.

Link here.

Responsive datepicker

Link here.

Create your own custom jquery builds with grunt

Link here.

Create tooltip type of toolbars!

Link here.

Watch the changes in any object or attribute

Link here.

Check broken links on your website

Link here.

A list of jquery chat plugins

Link here.

Plugin to skew elements' shapes

Link here.

Jquery plugin to do things on scroll event

Link here.

A jquery plugin to call css files according to the window screen

Link here.

Customising form with cool elements and themes

Link here

Range slider jquery plugin

Link here.

Impressive table of contents picker!

Link here.

A jquery plugin to help choosing passwords

Link here.

Insert vendor-specific css3 prefixes using jquery

Link here.

A flyout image slider using jquery, css3

Link here.

Making a flipbook using jquery

Link here.

Using $.deferred , $.when() and $.pipe() for making events snychronous or asynchronous

Link here.