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The Chrome OS core fonts, also known as Croscore fonts, is the collective name of three TrueType font families: Arimo (sans-serif), Tinos (serif) and Cousine (monospace). These fonts are metrically compatible with Monotype Corporation’s Arial, Times New Roman, and Courier New (respectively), the most commonly used fonts on Microsoft Windows operating system and Office suite, for which they are intended as open-source substitutes. Google licensed those fonts from Ascender Corporation under the SIL Open Font License. The fonts were developed by Steve Matteson of Ascender Corporation as Ascender Sans and Ascender Serif, which are also used for the Liberation fonts licensed by Red Hat under another open source license.
- Droid, a font family by the same font designer
- Open-source Unicode typefaces
- Linux Libertine, another free software serif typeface with OpenType features support
- Gentium, an Open Font License font which defines roughly 1,500 glyphs covering almost all of the range of Latin characters used worldwide