On May 9, 2007, Red Hat announced the public release of these fonts
under the trademark LIBERATION at the Red Hat Summit. There are three
sets: Sans (a substitute for Arial, Albany, Helvetica, Nimbus Sans L,
and Bitstream Vera Sans), Serif (a substitute for Times New Roman,
Thorndale, Nimbus Roman, and Bitstream Vera Serif) and Mono (a
substitute for Courier New, Cumberland, Courier, Nimbus Mono L,
and Bitstream Vera Sans Mono).