oriDomi has touch support and works on iOS.
There are multiple effects provided: accordion, reveal, curl, collapse, ramp, foldUp, unfold and reset.
Spectrum is a jQuery colorpicker plugin that comes with many features and options.
Polyfill : Spectrum has a polyfill for the
input[type=text] like other HTML5 inputs
Customizable : It is easy to skin and customize the plugin with CSS, and there are a wide range of modes and options to explore.
Mobile Support: Along with desktop browser support, touch friendly, worked in iOS and Android, and used standards that maximize future mobile support.
Minical is a tiny datepicker plugin, with no dependencies other than its icon PNG and stylesheet (which has SASS variables for easy customization).
It has full keyboard support and also defaults to make the associated input read-only, so its value can only be changed by the date format specified in the plugin. It also works great in iOS, with just enough touch event handling to behave properly.