Watchtower Library (Wtlib) and Watchtower Reader (so far only published in 2006) are powerful study tools. Now, us linux-users also want to use it. For the moment, it works very well in most linux distros.
Watchtower Library 2007 on linux
wtlib-friendly fonts for linux
wtlib-scripts for linux
wtlib-icons (GPL assuming fair use
upstream)
Dvorak is (among other things) a keyboard setup to ease and speed typing on a computer keyboard.
Norsk dvorak (også for Windows)
My custom dvorak keyboard that eases writing Norwegian, Spanish, French, *NIX ...
arno.homelinux.org