The Free Desktop Environment Software Equinox is a small and highly portable, multi platform desktop environment designed to be very lightweight in terms of memory and resource usage.

The Free Open Source OS Syllable was designed primarily for the Pentium and compatible processors and its purpose was to create an easy-to-use desktop operating system for the home and small office users. The OS was built for speed and aims at a minimal hardware requirement, thus has a lots of potential for the future. [...]

The Free Desktop Manager software VirtuaWin is designed to be simple, elegant and a highly configurable virtual desktop manager for Windows. The software is small sized and has a low memory and resource footprint. Due to this it doesn’t stress the available resource and to my amazement runs even on an older generation pentium 4 [...]

This Free Word To Pdf Converter allows you to convert various printable documents, such as word documents, to the popular pdf format. The converter can be used as a PDF writer, or even as a PDF creator from within a multiple application environments.

The Free Font Creator DoubleType is an open source font editor that builds TrueType font files. The program is written in Java,  which means it runs on all platforms supported by Java, including Macintosh, Windows and the Linux.