Apps similar to Diffinity include WinMerge, which is free and open source. Other options are Meld, Beyond Compare, KDiff3 and ForskScope. There's no shortage of Diff Tools like Diffinity, with more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.
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...
United States
Intuitive, multi-platform application for two and three-way visual file and folder comparison.
United States
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.
Czechia
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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
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.
An application to help you keep multiple pairs of folders in sync, quickly and easily. View differences between pairs of folders on screen using user defined coloured coding. Folder Sync allows you to utilise a fully automatic sync or manually manipulate the files yourself to...
