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.

sidplayfp is a fork of sidplay2, a C64 music player which integrates the reSID SID chip emulation into a cycle-based emulator environment, started with primary purpose to improve emulation of the C64 system and the SID chips.

This dictionary contains Russian wordlists for the Ispell spellchecker.

Kronolith is the Horde calendar application. It provides web-based calendars backed by a SQL database or a Kolab server. Supported features include Ajax and mobile interfaces, shared calendars, remote calendars, invitation management (iCalendar/iTip), free/busy management, resource management, alarms, recurring events, and a sophisticated day/week view which handles arbitrary numbers of overlapping events.

langdrill is a helper for testing your foreign language vocabulary. It uses GTK+ toolkit and VDK (a C++ wrapper around GTK+). langdrill looks similar to JavaDrill.

This shell script displays the time and date of time zones specified by the user. The time zones may be entered by hand in TZ format or chosen from a list prepared from /usr/share/zoneinfo/zone.tab. The zone list is kept in a format consistent with the GTK+ application gworldclock.