Astronomy Engine: multi-language calculation of Sun, Moon, and planet positions. Predicts lunar phases, eclipses, transits, oppositions, conjunctions, equinoxes, solstices, rise/set times, and other events. Provides vector and angular coordinate transforms among equatorial, ecliptic, and horizontal orientations.
Anton's OpenGL 4 Tutorials book - Demo Code
A collection of useful packages maintained by the Material Flutter team
Lissom.CSS is a classless, minimalist, accessible, and themeable CSS library
Simple Persian calendar tile for the WearOS
Telegram Desktop messaging app