Apps similar to KDiff3 include WinMerge, which is free and open source. Other options are Meld, Beyond Compare, P4Merge and Kaleidoscope. You're spoiled for choice with Diff Tools like KDiff3: we list more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.
ExamDiff Pro is a fast visual tool for comparing and merging files, folders, and documents on Windows. It parses source code with Tree-sitter for syntax highlighting, a class/function scope bar, and structure-aware alignment of versions; compares Word, Excel, PowerPoint, and PDF...
United States
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.
United States
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)...
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.
New Zealand
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.
United States
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.
United States
