WinDiff is a graphical file-comparison program published by Microsoft (from 1992[1]), and is distributed with certain versions of Microsoft Visual Studio as well as in source-code form with the Platform SDK code samples.

LineDiff is described as 'Free AI-powered text and file comparison tool. Compare PDF, Word, Excel, JSON, YAML, CSV, XML and Markdown online. End-to-end encryption, real-time collaboration, AI explanations. No installation needed' and is a File Comparison tool in the file management category. There are more than 50 alternatives to LineDiff for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best LineDiff alternative is WinMerge, which is both free and Open Source. Other great apps like LineDiff are Meld, Beyond Compare, KDiff3 and Diffchecker.
WinDiff is a graphical file-comparison program published by Microsoft (from 1992[1]), and is distributed with certain versions of Microsoft Visual Studio as well as in source-code form with the Platform SDK code samples.

Ediff is a comprehensive visual interface to Unix diff and patch utilities.
Ediff provides a convenient way for simultaneous browsing through the differences between a pair (or a triple) of files or buffers (which are called ‘variants’ for our purposes). The files being compare.
DiffPlug is a free text editor/differ and image viewer/differ. Purchasing a license allows you to diff other kinds of files such as Simulink.
