Win32-versions of GNU tools, or tools with a similar open source licence. The ports are native ports, that is they rely only on libraries provided with any 32-bits MS-Windows operating system, such as MS-Windows 95 / 98 / 2000 / NT / XP
a small utility for dual-CPU workstations that allows the user to finely tune how Windows balances the processing load between the two CPUs.(a more powerful version of SMP Seesaw)
Draw Freely, Open Source vector graphics editor, with capabilities similar to Illustrator, Freehand, CorelDraw, or Xara X using the W3C standard Scalable Vector Graphics (SVG) file format. Supported SVG features include shapes, paths, text, etc
powerful x86 virtualization (similar to VMWare) runs on Windows, Linux, Macintosh and OpenSolaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista), DOS/Windows 3.x, Linux (2.4 and 2.6), Solaris and OpenSolaris, and OpenBSD.
a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, and sets.
a free, open-source password manager or safe which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key-disk. (there is also a freakish .net version)
an application for the Windows user community that misses the wonderful virtual desktop functionality often used on Unix systems. It is simple, powerful and highly configurable.
visual text file differencing and merging tool for both files and directories. Unicode support. Syntax coloring editor. Windows Shell integration. Regexp filtering. Side-by-side line diff and in-line word diff visualisation.
Define some filters to apply to a list of files, which can be in multiple folders, to rename the whole list at once. It checks the file names, integrates in the Shell (via Explorer context menu), supports regular expressions, ID3 tags, and much more.
an advanced task management utility that picks up where the standard Windows Alt+Tab switcher leaves off. It provides the same functionality, and adds visual styles to the dialog and also enhances it by displaying thumbnail preview, fast too.