The SIL Open Font License (OFL) is a free, libre and open source license specifically designed for fonts and related software based on our experience in font design and linguistic software engineering. Please get in touch with us if you have more questions.
There is also a separate discussion paper on Web Fonts and Reserved Font Names. There is a new version of the OFL-FAQ ( version 1.1-update6) available based on feedback from the wider open font design community. New version of the OFL-FAQ available: version 1.1-update6