HTML5 input range slider element polyfill
A High Dynamic Range (HDR) Histogram
Draggable multiple range sliders
Import data from and export data to a range of different file formats and media
Date range picker component for Twitter Bootstrap
Date range selector with a sixth sense.
i18n Translator for Go/Golang using CLDR data + pluralization rules
.NET Class Library for range of IP address, both IPv4 and IPv6.
Numerics.NET is a library to support obscure operations and convenience methods pertaining to numbers.