did you try again? I just tried and got in with no access; its on sourceforge.net, so one would expect good availability.
At any rate, see below summary of zbedic:
zbedic is an electronic dictionary reader for Sharp Zaurus and Linux desktop.
* Over 90 free mono- and bi-lingual dictionaries (most of them free)
* Efficiently compressed dictionary files (English WordNet dictionary - about 120,000 entries - is only 6MB)
* All dictionaries can be edited
* You can create your own dictionaries
* Can handle huge dictionary files, such as the Wikipedia
* History, back/forward navigation, links between dictionary entries
* Well designed interface - keyboard shortcuts for all major functions
* Can be integrated with QtReader
* Can be installed on CF/SD card to save internal memory
* It's free!