A Window Maker dockapp (though it does not specifically require the Window Maker window manager) that indicates the system load.

Perltidy is a Perl script which indents and reformats Perl scripts to make them easier to read.

Neutron provides an API to dynamically request and configure virtual networks. These networks connect "interfaces" from other OpenStack services (such as vNICs from Nova VMs). The Neutron API supports extensions to provide advanced network capabilities, including QoS, ACLs, and network monitoring.

Butteraugli is a project that estimates the psychovisual similarity of two images. It gives a score for the images that is reliable in the domain of barely noticeable differences. Butteraugli not only gives a scalar score, but also computes a spatial map of the level of differences.

xcolmix enables you to mix your own colours in order to determine three values (the R/G/B code, or red-green-blue mix) of a colour. You can use those colours to, e.g., define the foreground or background of X applications which support it. Furthermore, xcolmix lets you retrieve RGB values from the X system's database of `predefined' colours.