Introduce autocompleting power to textareas, like GitHub comment forms have.
A cross browser rich text editor with an API
jQuery plugin for dynamic textarea sizing
jQuery Form Plugin
jQuery Masked Input Plugin
Chained Selects jQuery plugin.
Selectize is the hybrid of a textbox and <select> box. It's jQuery based and it has autocomplete and native-feeling keyboard navigation; useful for tagging, contact lists, etc.
It's a new file uploader solution!
In-place editing with Twitter Bootstrap, jQuery UI or pure jQuery
jQuery plugin that gives you frontend validation for forms.
Customizing Form Valid Message in AngularJS