Aver by Nymphont
4 styles
Personal-use only
Liberation Sans by Red Hat, Inc.
4 styles
100% free
Roboto by Google
16 styles
100% free
FreeSans by GNU FreeFont
4 styles
100% free
Droid Serif by Google
4 styles
100% free
Linux Libertine by Linux Libertine
16 styles
100% free
FreeSerif by GNU FreeFont
4 styles
100% free
Galatia SIL by SIL International
2 styles
100% free
Linux Biolinum by Linux Libertine
15 styles
100% free
Source Sans Pro by Adobe
10 styles
100% free
