Diffinity is a diff and merging tool with focus on accurate and easy to read source code diffs. It will compare the content of two files and present the differences in an easy to read line by line and char by char basis.




Kompare is described as 'Graphical diff and merge tool targeting developers. It allows users to compare two different text files or two directories. It is part of KDE Applications (and formerly part of KDE Software Compilation) and therefore primarily used on Linux and other Unix-like' and is a Diff Tool in the development category. There are more than 50 alternatives to Kompare for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best Kompare alternative is WinMerge, which is both free and Open Source. Other great apps like Kompare are Meld, Beyond Compare, KDiff3 and ForskScope.
Diffinity is a diff and merging tool with focus on accurate and easy to read source code diffs. It will compare the content of two files and present the differences in an easy to read line by line and char by char basis.




Diffuse is a small and simple text merge tool written in Python. With Diffuse, you can easily merge, edit, and review changes to your code.

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.




Use Kaleidoscope to spot the differences in text and image files. Review changes in seconds with the worlds most advanced file comparison application.




Kaleidoscope is the most popular iPad alternative to Kompare.
Free file and folder merge tool providing two-way comparison, Visual Studio and Atmel Studio integration, enhanced folder sync, syntax highlighting, batch operations, Intellisense, navigation by change type, command line support, and detailed control over merges.




GNU Diffutils is a package of several programs related to finding differences between files.
DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear.

Difftastic is a diff tool that compares files based on their syntax. It supports over 20 programming languages and when it works, it's fantastic.

WinMerge 2011 series is a fork of the original WinMerge application that compiles without ATL/MFC dependencies to enable zero-budget developers to build WinMerge from sources using Visual C++ Express editions.


A graphical interface for the Rsync engine that will synchronise files between two computers either locally or over the internet. The beauty of Rsync is that it only transfers the exact part of a file that has changed (differential synchronisation), saving bandwidth and time.

WinMerge JP is a fork of the original WinMerge, but after 2018 the two are nearly identical. WinMerge JP's features including 3-way compare has been merged into the original.


FileMerge lets you compare one file to another or one directory to another and merge the files or directories together.



