Developed by KACST (King Abdulaziz City for Science and Technology), KacstBook is a trademark Arabic font released under the GPL license. Inspired by the Naskh script with modern influences, it features plain, wide, monospaced letters in a Qalam writing style. With a consistent thickness and thin, delicate strokes, it offers a clean and clear appearance, ensuring high legibility on screens, even at small sizes. Its simple and spacious letters make it best suited for shorter texts requiring immediate attention. Released in 2016, KacstBook comprises 445 characters and 459 glyphs, ensuring compatibility with Urdu, Arabic, Latin, Persian, and more languages.






