React Native Desktop - Build OS X desktop apps using React Native
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
Deco IDE - Best IDE for building React Native apps
NoteCalc - Browser-based notepad built for math calculations.
PrivJs - Sell your NPM packages
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.