gnu
The gnu software project provides hundreds of open source code listings.
www.gnu.org

pgp
Free plugins for various operating systems to encrypt emails, files, and data in general.
www.pgpi.org

jakarta
This subproject of Apache contains great free Java software with high impact like Tomcat, Ant, PerlTools, etc.
jakarta.apache.org

suse linux
A very comfortable linux distribution with great hardware recognition and thick manuals written in german.
www.suse.de

wincvs
Graphical CVS front-end for Windows with an improved user interface. It facilitates overview, branching, merging, etc.
www.wincvs.org   www.cvshome.org

smartcvs
Graphical CVS front-end supporting SSH and written completely in Java. This tool is so excellent that even IntelliJ has decided to integrate into their IDEA product.
www.smartcvs.com

araxis merge
Very powerful and itelligent diff and merge tool for Windows. Comfortable file and folder based comparisons are possible.
www.araxis.com&

idea
My absolutely favorite IDE for Java ever seen. Small, simple, fast, smart, etc. Even includes refactoring tools.
www.intellij.com

netbeans
The most powerful Java IDE that I have ever worked with. It seems like a very successful and active open-source project.
www.netbeans.org

jpad pro
Premium text editor for Java and also many other programming languages. Can be customized through ECMA script.
www.modelworks.com

smartstubs
An well-designed java tool for distributed performance monitoring without modifying client or server code.
www.white-park.freeserve.co.uk

ultraedit
Great text editor to work with XML, HTML, and ASP files. Has a short start-up time and can handle very big files.
www.ultraedit.com

opera
The browser alternative from Norway is worth a try. Especially for Linux guys.
www.opera.com

httrack
An awesome tool for offline browsing. It is really smart and provides many configuration options.
www.httrack.com

ws_ftp pro
A very popular FTP client with a slick user interface that handles all FTP tasks and allows all kinds of option settings.
www.ipswitch.com

winzip
This link is only meant for the few surfers left on this planet that still have never used any compression software.
www.winzip.com

tegosoft
They have some really nice tools for the Windows platform.
www.tegosoft.com

pdf factory
The pdfFactory is a very well working Windows tool to convert files, for example Word documents into PDF files.
www.fineprint.com

filebox extender
This tool integrates smoothly into Windows file dialogs and allows to define custom directories for fast navigation.
www.hyperionics.com

adobe svg viewer
The Adobe SVG Viewer is a powerful plugin for web browsers and allows to display SVG graphics.
www.adobe.com

miktex
A great LaTex distribution for Windows. After installation no further configuration is necessary to start latexing.
www.miktex.org

cryptool
An awsome tool for people interested in cryptography. You can encrypt, decrypt, hash, and analyze text using various symmetric and asymmetric methods.
www.crytool.de