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.
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Meld is described as 'Open-source tool for dynamic file and folder comparisions, syntax highlighting, offline functionality, and version control integration' and is a very popular Diff Tool in the file management category. There are more than 50 alternatives to Meld for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best Meld alternative is WinMerge, which is both free and Open Source. Other great apps like Meld are Beyond Compare, KDiff3, P4Merge and Araxis Merge.
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.


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




Compare up to N folders side-by-side with intelligent minority-difference highlighting — the only N-way directory comparison tool for Windows & Linux.




Ediff is a comprehensive visual interface to Unix diff and patch utilities.
Ediff provides a convenient way for simultaneous browsing through the differences between a pair (or a triple) of files or buffers (which are called ‘variants’ for our purposes). The files being compare.
Workshare Compare is the leading document comparison software that lets you perform file comparison of two documents against multiple modified versions.
Guiffy is a diff merge tool and folder compare application and API. SureMerge is the most trustworthy source code 3-way merge tool available. Advanced features include tuneable inline diff highlighting, syntax highlighting and a blend of 3 diff algorithms.





tkdiff is a graphical diff viewer based on the Tk framework. It is capable of inter-operating with source-control systems like CVS and Subversion to show differences between a local copy and a repository version.

SemanticMerge - The diff and merge tool that understands C#, Vb.net, Java and now C