Numi App - Numi is a beautiful text calculator for Mac.
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 .
ConvertAll - A comprehensive unit conversion program.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
Converter NOW - A simple, immediate and fast unit converter!