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.
ExamDiff Pro is a powerful, intuitive, and easy to use visual side-by-side comparison tool for comparing and merging text and binary files, and directories.
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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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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.
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.
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SemanticDiff is a programming language aware diff for Visual Studio Code and GitHub. It helps software developers understand code changes faster by hiding irrelevant changes, detecting moved code, and highlighting refactorings.
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FileMerge lets you compare one file to another or one directory to another and merge the files or directories together.
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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.
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SmartSynchronize is a multi-platform file and directory compare tool. It allows you to compare files or perform 3-way-merges, both with the ability to edit the file contents. SmartSynchronize is specialized in comparing directory structures (for example, of software projects)...
DiffVue is a diff tool, also known as a diff utility for Windows XP and Windows 7, and it lets users compare folders and files as well as ftp site's files against the local files by displaying differences visually.
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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.
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