Simple jQuery Based Color and Gradient Picker - asColorPicker.
Select2 Components
Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.
Css Switch
Here are a few types of switches.
Datepicker
Examples of twitter bootstrap datepicker.
Bootstrap TouchSpin
A mobile and touch friendly input spinner component for Bootstrap
Input Masks
Input masks can be used to force the user to enter data conform a specific format. Unlike validation, the user can't enter any other key than the ones specified by the mask.