Source Sans Pro is a set of OpenType fonts that have been designed to work well in user interface (UI) environments.
In addition to a functional OpenType font, this open source project provides all of the source files that were used to build this OpenType font by using the AFDKO makeotf tool.
Visit the Downloads page to view the available downloads.
There are many ways to contribute to the Source Sans OpenType font project:
Send suggestions for changes to the Source Sans OpenType font project maintainer, Paul Hunt, for consideration.