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




Twofold is described as 'Modern online file and folder diff tool that runs entirely in your browser — no uploads' and is a Diff Tool in the file management category. There are more than 50 alternatives to Twofold, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Flathub apps. The best Twofold alternative is WinMerge, which is both free and Open Source. Other great sites and apps similar to Twofold are Meld, Beyond Compare, Unison File Synchronizer and KDiff3.
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.



FolderMatch is a program that compares directories and files, showing the differences clearly.




Easily compare and merge text files; compare doc, xls and pdf files; prepare comparison reports and printouts.

AptDiff is a visual text / binary files comparison and merging utility for Windows. It is highly useful for web designers, software developers, and other professionals.




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.




Draftable API Self-hosted is built for on-premise deployments. It is supplied as a virtual appliance and comparisons run entirely in that appliance. That means the confidentiality and privacy of your data is guaranteed.

SemanticMerge - The diff and merge tool that understands C#, Vb.net, Java and now C