The often overlooked Xcode FileMerge app lets you spot what's changed between two files. Here's how to spot the differences using the tool. Most developers of Apple software are familiar with Apple's ...

Beyond Compare is a file compare and directory sync utility wrapped in one. Beyond Compare Standard edition ($30) is a powerful utility for tracking down differences between files and folders. Its ...

The diff, comm, cmp, and colordiff commands are among the many ways to compare text files on a Linux system. There are numerous ways to compare text files on a Linux system from the command line. This ...

The tool is free, open source and easily available. You can download it as an executable – or fork the entire source code so that you can incorporate it into your ...

If you revise a document several times and save it again and again as a separate file, it is often difficult to see exactly which changes you have made and where. The same happens if a doc has been ...

Editor’s note: The following review is part of Macworld’s GemFest 2012 series. Every weekday from mid June through mid August, the Macworld staff will use the Mac Gems blog to briefly cover a favorite ...