kdiff3
Beyond Compare
WinMerge
Meld
Araxis Merge
DiffMerge
P4Merge
Devart Code Compare
Engineering Equation Solver
Qalculate!
Calcumber
SMath Studio
Numara Calculator
engineeringsuite
PTC Mathcad
fxSolver
kdiff3Beyond Compare - Beyond Compare allows you to compare files and folders.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Calcumber - Calculate in a notebook and share โ from everyday math to engineering.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.
SMath Studio - Tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.