- printpsbook by Brian de Alwis — a Unix shell script that will 2-up a PostScript document while maximizing the size of the pages (e.g. it clips the margins before shrinking the pages), producing more readable output than other 2-up printing options.
- Open fonts:
- Liberation Sans/Serif/Mono
- Linux Libertine and Biolinum
- DejaVu Sans/Serif/Mono
- Droid fonts (used in Android)
- Fonts by Raph Levien: Inconsolata (the font I use for the command line on all my systems); others.
- Gentium
- Cantarell
- Nobile