Arimo
Google Fonts · Steve Matteson · 2010

A screen-optimised humanist sans designed as a metric-compatible Arial substitute with broad multilingual coverage.
About
Arimo was created by Steve Matteson as part of Google's effort to provide high-quality, freely licensed typefaces for Chrome OS and web use. Its design is closely matched to Arial's metrics, making it a practical drop-in replacement in digital environments. Strong Cyrillic and Greek support alongside Latin makes it a dependable choice for multilingual web and interface projects.
Classification
Arimo is a metric-compatible alternative to Arial, designed primarily for on-screen legibility with a clean humanist structure and broad multilingual support including Cyrillic and Greek. It was developed as part of the Chrome OS core font set.