Open-source, libre, and free typefaces

Below is a list of open-source, libre, and free typefaces. I am familiar with the primary source of many of the designers.

 

Serif

Neuton
“Neuton is a healthy modern alternative to Times, attempting a classy blend of simplification, curvature, and angles.”

Libre Baskerville

Bitstream Charter
Designed by Mathew Carter.

 

Sans serif

CSS Sans

Belleza

Bitstream Vera

Lato

Source Sans Pro

OpenDyslexic
A typeface designed for readers with dyslexia. To my knowledge, there are no peer-reviewed publications about it.

Equip Condensed Light OT

 

Monospaced

Anonymus Pro

Ubuntu Mono
Has that nice dot in the [0].

Typewriter Condensed Demi
Elegant numbers that look somewhat like old-style figures.

 

Display

Sélavy
A dotted typeface loosely based on the 13 punched-out caps on Marcel Duchamp’s 1934 Green Box. Designed by Nina Stössinger.

 

Families

Liberation™
A font family which aims at metric compatibility with Arial, Times New Roman, and Courier New.

ParaType

Ubuntu font family
Includes Latin, Greek, Cyrillic, and monospaced Latin.

ZXX
A family of typefaces designed to confuse computer-bassed optical charactt recognition algorithms.

 

Non-latin

Free/Libre and open source licensed unicode Hebrew fonts

 

Additional resources

52 really high quality free fonts for modern and cool design
Not my title.

Open Font Library
A site with access to many open-source typefaces.

Sample fonts from FontForge
Available under the SIL Open Font License. Includes Caslon (with a multiple master version), Caliban (a sans serif), Monospace, Cupola, FormalScript, ItalicHand, Unicode Braille Glyphs, and some display faces.

Luc Devroye’s list of open source typefaces

Typophile thread — Open source typefaces