Apps similar to Kaleidoscope include WinMerge, which is free and open source. Other options are Meld, Beyond Compare, KDiff3 and P4Merge. There's no shortage of Diff Tools like Kaleidoscope, with more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.
A file and folder comparison tool, targeted at developers, with powerful merging capabilities. Easily integrate with git or other version control system and diff and merge files with the 3-ways merge and powerful alignment operations
Diffract is a purpose-built desktop diff tool that handles far more than plain text. A single app compares text, binary (hex view), images, PDFs, Word documents, Excel spreadsheets, ZIP/tar archives, and Git commits - all in a multi-tab interface.
Germany
EU
Feature-rich offline tool for comparing text, folders, images, audio, video, documents, and Excel on macOS and Windows, supporting advanced diff, merge, waveform, pixel and character-level inspection, version tracking, bulk processing, and export formats.
Japan
dwdiff is a diff program that operates at the word level instead of the line level. It is different from wdiff in that it allows the user to specify what should be considered whitespace, and in that it takes an optional list of characters that should be considered delimiters.
Pretty Diff is a language aware code comparison tool, beautifier, minifier, and parser for a variety of web oriented languages.
United States
Online Text compare is a browser based data compare tool that highlights the differences between two versions.
