TL;DRGoogle Sans Flex is now freely available on Google Fonts.Offered under the SIL Open Font License, Google Sans Flex may be used for a wide range of purposes.Google Fonts offers tons of open-source fonts you can download and do whatever you want with. The repository’s recently added Google Sans Flex, the typeface Google uses in many of its own products, making it available for anyone to use for just about any purpose.9to5Google spotted today that Google Sans Flex has joined the likes of Roboto and Open Sans on Google Fonts. Like other character sets available through Google Fonts, Google Sans Flex is offered under the SIL Open Fond License, so it’s available to use for free, no attribution required.