two by two

It can transfer iPhone to PC, PC to iPhone, and transfer between two iphones.

DirDiff started as a tool to check two copies of files in separate directories

True two-way Query Builder ActiveX control to build complex SQL queries easily.

Organize your information, contact or scheduled event in two mouse clicks!

Make SWF, GIF, AVI animation between two still images

The easy way to synchronize your Outlook among two personal folders.

Additive synthesizer, able to import WAV and bitmap files into two morphable lay

Input two fractions, program outputs them added and reduced.

You have one or two computers you should consider yourself lucky as well.

The XOR swap algorithm is an inefficient method of swapping two variables.