Alternatives to DiffMerge for all platforms with any license

Meld

Open-source, Python-based visual diff and merge tool for comparing files and folders.
- Covers all of the functions, has a very nice UI and it's open source compared to other commercial alternatives (Beyond Compare) JuanCAlpizar • Sep 2017
- Better Unicode handling than discontinued DiffMerge. CeesT • Sep 2017
Free Open Source Mac Windows Linux BSD Python
Compare Source Code Syntax Highlighting Folder Comparison One-click merging ... Real Time Comparison Add a feature

351 Like
WinMerge

WinMerge is an open source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is...

Free Open Source Windows PortableApps.com Wine
Diff detection Folder Comparison Image-Diff Plugins ... Portable Shell integration Directory sync Folder Comparison Add a feature

482 Like
Beyond Compare

Easily compare files and folders on FTP, local and cloud storage with source control integration and 3-way merge support.

Commercial $ $ $ Mac Windows Linux
Folder Comparison File-sync Folder sync Windows Explorer integration ... File-sync Folder sync Support for FTP Support for SFTP Version and Source control Add a feature

289 Like
KDiff3

KDiff3 is a file and directory diff and merge tool which - compares and merges two or three text input files or directories, - shows the differences line by line and...

Free Open Source Mac Windows Linux
3 way merge Side-by-Side comparison Text Wrapping Folder Comparison ... Version and Source control Add a feature

105 Like
Diffinity

A diff and merging tool with focus on accurate and easy to read source code diffs.

Free Windows
Folder Comparison Intuitive Interface Portable Readability ... Syntax Highlighting XAML Add a feature

19 Like
Compare

Comparison plugin for Notepad++ editor. Features Side-by-side visual differencing Comparison against SVN...
- I like compare, but I can not say yet if this is the best because I did not try the other ones. Guest • Feb 2017
Free Open Source Windows Notepad++
Data Compare Side-by-Side comparison Add a feature

34 Like
WinMerge 2011

WinMerge 2011 series is a fork of the original WinMerge application that compiles without ATL/MFC dependencies.
- Discontinued
  WinMerge2011 is unavailable https://bitbucket.org/jtuc/winmerge2011 sometime ago was talked to merge the change from winmerge2011 back to winmerge, and the same will happen to "WinMerge JP" fork and the 3-way File Comparison feature at some point in the future.
Free Open Source Windows PortableApps.com Wine
Portable Folder Comparison Support for FTP Add a feature

31 Like
WinMerge JP

WinMerge JP is a fork of original WinMerge that incorporates many own features including 3-way compare, high DPI support and many more.

Free Open Source Windows
High-dpi support Portable Compare Source Code Add a feature

14 Like
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Kaleidoscope

Use Kaleidoscope to spot the differences in text and image files. Review changes in seconds with the worlds most advanced file comparison application.

Commercial Mac iPad
No features added Add a feature

20 Like
FileMerge

FileMerge lets you compare one file to another or one directory to another and merge the files or directories together.

Free Mac Xcode
Compare texts analysis Merge Files Add a feature

13 Like