P4Merge is described as 'Uses color coding to allow users to visualize the differences between file or images. It allows three-way merging among files, and shows side-by-side file/image comparison' and is a Diff Tool in the development category. There are more than 25 alternatives to P4Merge for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best P4Merge alternative is WinMerge, which is both free and Open Source. Other great apps like P4Merge are Meld, Beyond Compare, KDiff3 and Diffchecker.
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 P4Merge.
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.
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.
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 powerful, intuitive, and easy to use visual side-by-side comparison tool for comparing and merging text and binary files, and directories.
Intuitive, multi-platform application for two and three-way visual file and folder comparison.
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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