Josefin Slab , by Santiago Orozco , 203 Glyphs
FreeMono , by GNU , 1796 Glyphs
FreeSerif , by GNU , 4777 Glyphs
FreeSerif , by GNU , 2715 Glyphs
FreeSans , by GNU , 2911 Glyphs
Source Sans Pro , by Paul D. Hunt , 1112 Glyphs
Source Sans Pro , by Paul D. Hunt , 855 Glyphs
We are building an exciting new Font cloud API which allows font and glyph level API access from the cloud. Stay tuned for the announcement.