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.

Compare is described as 'Comparison plugin for Notepad++ editor' and is a Diff Tool in the development category. There are more than 50 alternatives to Compare for a variety of platforms, including Windows, Linux, Mac, Web-based and BSD apps. The best Compare alternative is WinMerge, which is both free and Open Source. Other great apps like Compare are Meld, Beyond Compare, KDiff3 and P4Merge.
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.

Workshare Compare is the leading document comparison software that lets you perform file comparison of two documents against multiple modified versions.
WellCompareDir is a tool to compare and select images with the same name from two folders, and copy to a third folder.

ViceVersa does File Synchronization, File Replication, File Backup and File Comparison. It can automatically verify data using a CRC32 checksum.



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.

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.



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.


Instantly find the differences between two blocks of text. Works with plain text, code, json, yaml, html, css, markdown, and more.


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.




Compare Files Using ' Diff Doc' a visual file compare and folder compare utility that creates a detailed file diff. File comparison can optionally be done with the command line. Compare Word and Compare XLS files in addition to PDF, txt, rtf...
FileMerge lets you compare one file to another or one directory to another and merge the files or directories together.




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.