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.

Apps similar to Riff include Meld, which is free and open source. Other options are Beyond Compare, KDiff3, Directory Compare Pro and P4Merge. Diff Tools like Riff are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.
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.

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...




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.




Native macOS file and folder comparison, three-way merge, and Git review, with syntax highlighting and AI agent change review.




DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear.

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

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.




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...




Diff Match Patch is a high-performance library in multiple languages that manipulates plain text.