FVWM-Crystal aims to create an easy to use, pretty, but also powerful desktop environment for Linux or other Unix-like operating systems. It uses the following programs: FVWM as a window manager and "main core"; different ways to provide icons on the desktop including support for many file managers and custom commands; xterm, aterm, mrxvt, or urxvt as terminal emulators; MPD or XMMS2 as music players (there's built-in support for controlling these programs), and several other tools for different functions, like setting a wallpaper or taking screenshots.
Genius is an arbitrary precision integer and multiple precision floating point calculator. It includes its own programming language similar in some aspects to C, bc, or Pascal. It can deal with rational numbers and complex numbers. It has matrix support as well. It uses the gmp library so it is very fast for calculations of large numbers. It has a command line and a GNOME interface. The GNOME interface supports plotting functions and 3D surfaces.
OOoTranslit is macro for transliteration of Serbian Cyrilic to Latin and vice-versa in OpenOffice.org Writer and Calc. Transliteration can be applied to all text in a Writer document or only to selected text. Also, transliteration can be applied to the whole worksheet of a Calc document, or only to text in selected cells.
XDroplets is a set of launchers that better integrate X11 programs with the MacOS X environment. X11 programs can be launched via the Finder or Dock. Documents can be opened directly in X11 programs by double-clicking or drag and drop. URLs can be forwarded from Mac apps to X11 programs. X11 is automatically launched if it is not already open. The distribution includes XDroplets Factory, a utility for generating your own custom X11 launchers.