SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

Simple Flashlight - A clean flashlight with an extra bright display and customizable stroboscope.

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.

Screen Torch Advanced 2 - "Screen Torch Advanced 2", is an handy torch program. It only uses devices' backlight.

Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.

An Light - A simple flashlight application, include flashlight, stroboscope, SOS, screen flashlight, morse code.