Hack: an open-source typeface designed for source code Hack is another gorgeous typeface that is specifically designed for source code, with multilingual support and many important glyphs for programmers. You can see all the features on the font’s website. Last but not least, the font is free and open-source and was built by over 60 contributors. Sharing is caring! 0shares Subscribe to visualounge newsletter Please leave this field empty Check your inbox or spam folder now to confirm your subscription.