Tuffy, By NY/MA based Thatcher Ulrich is a nice and highly useable sans serif face that is supplied in the typical four styles – regular, bold, italic and bold italic – making it an ideal font to use for text, headlines, anything that needs to be legible. Thatcher has released this font into the public domain and you can download the TTF and OTFs here.
Anonymous Pro from Minnesota-based Mark Simonson is a family of four fixed-width fonts designed especially with coding in mind. Characters that could be mistaken for one another (O, 0, I, l, 1, etc.) have distinct shapes to make them easier to tell apart in the context of source code. Anonymous Pro also features an international, Unicode-based character set, with support for most Western and European Latin-based languages, Greek, and Cyrillic. It also includes special “box drawing” characters for those who need them.. Download Anonymous Pro TTF.