Download
The most recent version of Fred can be found here:
Just download the archive for your operating system (Windows, Linux, Mac OS X), extract it and run it. For more information have a look at the readme file provided with the download.
Note 1: You need Java (at least version 1.5) to run Fred. You can obtain the most recent Java version here.
Note 2: All recent operating systems provide a built-in way to extract a archive. For users of Windows 2000 or earlier: You may use the free tool 7zip to extract the archive.
Source Code
The source of Fred can be found here. You need Subversion to obtain it or you can use the “Download in other formats” link in the source browser when you are in the trunk or one of the tags or branches.