Arc is a flat theme with transparent elements for GTK+4, GTK+ 3, GTK+ 2 and GNOME Shell which supports GTK+ 3 and GTK+ 2 based desktop environments like GNOME, Unity, Budgie, Pantheon, Xfce, MATE, Cinnamon, etc. Arc also includes a GTK+ theme for Plank.

K-3D is free-as-in-freedom 3D modeling and animation software. It combines flexible plugins with a visualization pipeline architecture, making K-3D a versatile and powerful tool for artists.

Viking aims to be easy to use, yet powerful in accomplishing a wide variety of GPS related tasks. It uses a hierarchical layering system to organize GPS data, maps, and other layer types with spatial data, such as coordinate lines.

Apache Subversion, also known as svn, is a centralised version control system. Version control systems allow many individuals (who may be distributed geographically) to collaborate on a set of files (source code, websites, etc). Subversion began with a CVS paradigm and supports all the major features of CVS, but has evolved to support many features that CVS users often wish they had.

It currently supports BibTeX, Medline, Ovid and Refer files. It is useful for viewing, editing and searching, but also to convert bibliographic databases into HTML pages for example.

Jmol is a Java molecular viewer for three-dimensional chemical structures. Features include reading a variety of file types and output from quantum chemistry programs, and animation of multi-frame files and computed normal modes from quantum programs. It includes with features for chemicals, crystals, materials and biomolecules. Jmol might be useful for students, educators, and researchers in chemistry and biochemistry.