Threadscope is a graphical thread profiler for Haskell programs. It parses and displays the content of .eventlog files emitted by the GHC 6.12.1 and later runtimes, showing a timeline of spark creation, spark-to-thread promotions and garbage collections.

KNotes is a program that lets you write sticky notes. The notes are saved automatically when you exit the program, and they display when you open the program. The program supports printing and mailing your notes.

Ngraph is the program to create scientific 2-dimensional graphs for researchers and engineers. This program can create advanced graphs which can't be created by spreadsheets. Graphs can be exported to postscript.

VirtualBox is a free x86 virtualization solution allowing a wide range of x86 operating systems such as Windows, DOS, BSD or Linux to run on a Linux system.

DOSEMU is a PC Emulator application that allows Linux to run a DOS operating system in a virtual x86 machine. This allows you to run many DOS applications. - Color text and full keyboard emulation (via hotkeys) via terminal. - Built-in X support, includes IBM character set font. - Graphics capability at the console with most compatible video cards. - DPMI support so you can run DOOM. - CDROM support. - Builtin IPX and pktdrvr support.