Oxygen – Sans-Serif Fonts Free for Commercial Use

Oxygen is a versatile typeface optimized for digital interfaces, featuring clear, legible letterforms. Its design is tailored for effective rendering across various devices, ensuring a consistent reading experience.
Supports Latin and Latin Extended, making it suitable for multilingual environments.
Available in Light, Regular and Bold weights, Supporting a wide range of uses from long-form text to headings and titles.
The license is SIL Open Font License, allowing flexible use for commercial purposes and redistribution.

Oxygen was created by Vernon Adams as part of the KDE Project, aimed at enhancing the user experience for the GNU+Linux operating system. The typeface is designed to work seamlessly with the FreeType font rendering system.