WinMerge is an open source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.




UltraCompare is described as 'Professional is folder/file compare utility loaded with features to enable you to compare text files and folders, word documents, and even zip files and jar archives. UltraCompare includes text compare, binary file compare with the capability to merge differences' and is a Diff Tool in the file management category. There are more than 10 alternatives to UltraCompare for a variety of platforms, including Windows, Mac, Linux, Web-based and Self-Hosted apps. The best UltraCompare alternative is WinMerge, which is both free and Open Source. Other great apps like UltraCompare are Beyond Compare, Araxis Merge, SemanticDiff and Compare.
WinMerge is an open source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.




File and folder comparison tool offering source control integration, 3-way merge support, and selective synchronization. Supports FTP, cloud, runs offline, uses simple commands for files, customization, and scripting for reporting. Lightweight, portable with CLI and built-in viewer.




Merge is the visual file comparison (diff), merging and folder synchronization application from Araxis. Use it to compare and merge source code, web pages, XML and other text files with native application performance.




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.







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.




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


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.

"TableTextCompare" (TTC) is a small utility that provides easy comparison of two-tab-delimited or comma-delimited (csv) files, to determine the difference between the two files.
