GitHub's design system unites millions of developers through Mona Sans and Hubot Sans, designed in collaboration with Degarando as open-source variable typefaces.
Accelerate high-quality software development. Build, test, and deploy with automated workflows, code review pipelines, and enterprise-grade security guarantees.
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Outfit shares Mona Sans' wide, geometric, industrial stance with contemporary rounded terminals, while Inter powers GitHub's rich repository code views.
| Hierarchy Level | Size | Weight | Tracking | Line Height |
|---|---|---|---|---|
| Hero Display | 52px | 800 | -0.025em | 1.1 |
| Section Heading | 32px | 700 | -0.015em | 1.25 |
| Body Copy | 16px | 400 | 0em | 1.5 |
| Caption & Badge | 12px | 500 | +0.01em | 1.3 |
GitHub uses Mona Sans for marketing and headings, alongside Hubot Sans for robotic accents, and standard system monospace fonts for code lines.
Yes, Mona Sans and Hubot Sans are open-source and free for both personal and commercial use under the SIL Open Font License.