JS+JQuery 198
Java script, JQuery that enhances web apps
Sorted from new to old.

Bootstrap 3 DateTime picker
Bootstrap 3 Date/Time Picker v4.17.47 An old, yet good date/time picker From ...

Bootstrap full calendar
Full, simple and powerful, with AJAX, and template systems From

Lychee v3.1.6
A great looking and easy-to-use photo-management-system From