Inter was designed specifically for digital interfaces, with a large x-height and shapes that are very readable at small sizes on screen. Rasmus Andersson developed it while working as a designer in the technology sector.

At a glance
Origin: Independent open source project.
Designer: Rasmus Andersson.
Date: 2017.
Evolution
It was released early on as a variable font, then enriched in 2023 with Inter 4.0, which adds a display version, Inter Display, and optical size support.
Famous examples
It is used in the Figma interface and in countless applications, websites and design systems.
Current use
It has become one of the reference typefaces of the web and interfaces, often described as the Helvetica of the digital age.
Alternatives
SF Pro, Roboto, Graphik.
Great typefaces glossary
Akzidenz-Grotesk, Arial, Avenir, Baskerville, Bodoni, Caslon, Circular, Cooper Black, Didot, DIN, FF Meta, Franklin Gothic, Frutiger, Futura, Garamond, Georgia, Gill Sans, Gotham, Graphik, Helvetica, IBM Plex, Inter, Minion, Montserrat, Myriad, Neue Haas Grotesk, Optima, Poppins, Roboto, Sabon, SF Pro, Source Sans, Source Serif, Times New Roman, Univers, Verdana