XFCE embodies the traditional UNIX philosophy of modularity and re-usability. It consists of a number of components that together provide the full functionality of the desktop environment. They are packaged separately and you can pick and choose from the available packages to create the best personal working environment.
To get the latest version of XFCE, please go to the XFCE download page on the provider's website.
XMind’s mission statement is to create, as a community, the leading international mind mapping and brainstorming software that will run on all major platforms and raise users' work efficiency. The XMind open source project is sponsored by XMind LTD, which is the primary contributor of code to the project. Developers are welcome to work with the XMind project code to improve the overall product, develop new functions, or augment other software products..
Xpdf is an open source viewer for Portable Document Format (PDF) files. (These are also sometimes also called 'Acrobat' files, from the name of Adobe's PDF software.) The Xpdf project also includes a PDF text extractor, PDF-to-PostScript converter, and various other utilities.