GUI tool with cross-platform support named after "forske forskjell" (research difference) 🤍



KDiff3 is described as 'File and directory diff and merge tool' and is a very popular Diff Tool in the development category. There are more than 50 alternatives to KDiff3 for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best KDiff3 alternative is WinMerge, which is both free and Open Source. Other great apps like KDiff3 are Meld, Beyond Compare, P4Merge and Kaleidoscope.
GUI tool with cross-platform support named after "forske forskjell" (research difference) 🤍



Visualize folders side-by-side and find immediately which files are different, colors help to understand the diff type. Colors identify older, modified and newer files.




Perform detailed folder and file comparisons on Mac with side-by-side expandable trees, colour and icon indicators, content-based matching, manual synchronisation, filename templates, quick reload, tabbed interface, drag-and-drop, and intuitive visual controls.




GNU Diffutils is a package of several programs related to finding differences between files.




Last commit in 2017.
This is a quick alternative to visually compare text files. When the diff is complicated (moves, three way, etc) it falls a bit short.

Easily compare and merge text files; compare doc, xls and pdf files; prepare comparison reports and printouts.

DiffFork is a diff tool for Mac OS X. DiffFork can compare both folders and files, presenting differences in a visual format.

ECMerge is a comparison and synchronization tool with two and three-way merge for text and folders and difference on binary, text, images and folders, locally, via FTP/S, SFTP or in version controls. For Windows, Mac OS X, Solaris and Linux.




DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear.

AptDiff is a visual text / binary files comparison and merging utility for Windows. It is highly useful for web designers, software developers, and other professionals.




Allows to do quick comparison of files or some copied parts of the files. You can use all other powerful features of Notepad++ and plugins while comparison, such as sorting the lines, removing duplicates, highlighting some words, edit and then redo comparison of results right away.