Monospace Ubuntu Mono – Monospaced Fonts Free for Commercial Use
Overview Ubuntu Mono is a fixed-width font that integrates seamlessly with the Ubuntu Font Family, designed for clarity ...
Greek Extended
Monospace 
Monospace Source Code Pro – Monospaced Fonts Free for Commercial Use
Overview Source Code Pro is a monospaced typeface that retains the design features of its counterpart, Source Sans, whil...
Sans-Serif Open Sans – Sans-Serif Fonts Free for Commercial Use
Overview Open Sans is a humanist sans serif typeface characterized by its upright stress and open forms. It boasts a neu...
Sans-Serif Roboto – Sans-Serif Fonts Free for Commercial Use
Overview Roboto features a mechanical skeleton complemented by geometric forms, while also incorporating friendly and op...