WinMerge is described as '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' and is a leading Diff Tool in the file management category. There are more than 50 alternatives to WinMerge for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best WinMerge alternative is Meld, which is both free and Open Source. Other great apps like WinMerge are Beyond Compare, KDiff3, Araxis Merge and P4Merge.
UltraCompare 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...
Intuitive, multi-platform application for two and three-way visual file and folder comparison.
Diffuse is a small and simple text merge tool written in Python. With Diffuse, you can easily merge, edit, and review changes to your code.
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.
DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear.
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.
Folder compare, sintax highlights
Some users think Code Compare is a great WinMerge alternative, some don't.
Merge is an online merge and diff tool that allows you to share and save your documents.
Kompare is a graphical diff and merge tool targeting developers. It allows users to compare two different text files or two directories. It is part of KDE Applications (and formerly part of KDE Software Compilation) and therefore primarily used on Linux and other Unix-like...
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.
GUI tool with cross-platform support named after "forske forskjell" (research difference) 🤍
Not just Windows. Multiple OS Support. Free & OSS except for the "Matlib" and/or "Simulink" diffs. Free version supports diff for: File, Folder, Archive, Image, GIT, SVN, (maybe more?)
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Compares line by line for coding or config files.