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.

Online Text Compare is described as 'Online Text compare is a browser based data compare tool that highlights the differences between two versions' and is a Diff Tool in the development category. There are more than 50 alternatives to Online Text Compare, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Flathub apps. The best Online Text Compare alternative is WinMerge, which is both free and Open Source. Other great sites and apps similar to Online Text Compare are Meld, Beyond Compare, Unison File Synchronizer and KDiff3.
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.

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 Online Text Compare.
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...




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)...


