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.
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Apps similar to DeltaWalker include WinMerge, which is free and open source. Other options are Meld, Beyond Compare, KDiff3 and P4Merge. You're spoiled for choice with Diff Tools like DeltaWalker: we list more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.
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.




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.


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)...



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...




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




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.




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.




diffoscope tries to get to the bottom of what makes files or directories different. It will recursively unpack archives of many kinds and transform various binary formats into more human-readable form to compare them.
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.
