A cross-platform hierarchical note-taking program.
Seems fair, but I'm using it like I would use multiple files opened with Kate.
Zaurus SL-C1000 > Entertainment > Games >
I couldn't get it working.
Ruby on the Zaurus >
Vincent Fiack made a script to build the CVS version of Ruby for the Zaurus. You will need to have the cross compiler installed and a x86 version of ruby to run it.
See Programming for the Zaurus for cross-compiling help.