Gmail font here refers to the font used in the logo of Gmail, which is a free webmail service provided by Google. Launched in 2004, Gmail is now the most widely used webmail provider.
The Gmail logo was designed using two fonts. The capital “G” is in Catull BQ Regular while the lowercase “ail” is in Myriad Pro SemiExt Regular. Both are available as commercial fonts and you can view more details about them here and here respectively.
Download Gmail Font
We are currently unable to find a free alternative or a font similar to the commercial font identified above, and you will need to follow the relevant links above and purchase a font license.