PyKaraoke is a free karaoke player. You can use this program to play your collection of CDG, MIDI and MPEG karaoke songs.

You can look for strings in ODF text documents, spreadsheets, presentations, drawings and formsm made by OpenOffice.org, Libreoffice, Apache OpenOffice or other programs, creating ODF files. You can look for strings in OOXML documents, too.

The gEDA project has produced and continues working on a full GPL'd suite and toolkit of Electronic Design Automation tools. These tools are used for electrical circuit design, schematic capture, simulation, prototyping, and production. Currently, the gEDA project offers a mature suite of free software applications for electronics design, including schematic capture, attribute management, bill of materials (BOM) generation, netlisting into over 20 netlist formats, analog and digital simulation, and printed circuit board (PCB) layout.

Utilities to enable the keyboard's Numeric Lock during X11 session initialization or using command line utility.

Openmolar is a dental practice management suite. Its functionality include appointments, patient records, treatment planning, billing etc.

OpenUniverse (OU for short) is a fun, fast and free OpenGL space simulator. It currently focuses on the Solar System and lets you visit all of its planets, most major moons and a vast collection of smaller bodies in colorful, glorious and realtime 3D. If you've ever had a chance to visit Mercury or asteroid Geographos, here you'll find them looking exactly the same way, following exactly the same path as when you've left them.