Khushu is a privacy-focused Islamic application for Linux desktops, tablets, and smartphones. Built with Rust, GTK4, and Libadwaita, it combines daily religious utilities in a single native interface, including prayer times, Qibla guidance, Hijri calendar support, and Adkar notifications. The software is designed to work with minimal data sharing and performs its core calculations locally on the device. This is free and open source software.