Sage
Open Source
Sage offers business management, bookkeeping & accounting software to meet any business need, from small to midsized businesses.
Swift Calcs
Free
Swift Calcs enables users to effortlessly create and collaborate on interactive computational documents, from any device.
fxSolver
Free
fxSolver is a math solver for engineering and scientific equations.
Compare Mathematica with alternatives
Compare fxSolver and Mathematica and decide which is most suitable for you.
Compare Swift Calcs and Mathematica and decide which is most suitable for you.