Omni Calculator - Helping you make rational decisions, one calculation at a time.
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 .
Bootstrap Money - How much money can you make selling software?
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
MAKE Book - Learn to bootstrap profitable startups the 👨🎤indie way
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.