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.


+1
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.


NeDi can discover your network on a regular basis. It allows you to locate and track all connected devices, monitor traffic or broad-

SmartSynchronize is a multi-platform file and directory compare tool. It allows you to compare files or perform 3-way-merges, both with the ability to edit the file contents. SmartSynchronize is specialized in comparing directory structures (for example, of software projects)...
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux



ExamDiff Pro is a powerful, intuitive, and easy to use visual side-by-side comparison tool for comparing and merging text and binary files, and directories.


+3
Diff Match Patch is a high-performance library in multiple languages that manipulates plain text.
Intuitive, multi-platform application for two and three-way visual file and folder comparison.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux

Comparison tool for binary files, that assists vulnerability researchers and engineers to quickly find differences and similarities in disassembled code.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux


Text Compare is a tool to find difference between two different texts. Supports many different languages. Just paste your text and click check.

Altova DiffDog is a powerful, easy-to-use diff merge tool that lets you quickly compare, merge, and sync text or source code files, folders containing any file type, or entire directories. Special XML-aware functionality identifies XML equivalence that ordinary text comparisons...
DiffGuru is a free online tool for developers and writers to instantly compare two blocks of text or files, highlight additions and deletions, and merge changes - no signup required, privacy-first design.


+4
Two-way file and folder merge tool with Visual Studio integration, syntax highlighting, command line interface, batch operations, and reworked interface.


+10
AptDiff is a visual text / binary files comparison and merging utility for Windows. It is highly useful for web designers, software developers, and other professionals.
Cost / License
- Free
- Proprietary
Application types
Alerts
- Discontinued
Platforms
- Windows


+4
Guiffy is a diff merge tool and folder compare application and API. SureMerge is the most trustworthy source code 3-way merge tool available. Advanced features include tuneable inline diff highlighting, syntax highlighting and a blend of 3 diff algorithms.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Eclipse
- NetBeans


+6
diffoscope tries to get to the bottom of what makes files or directories different. It will recursively unpack archives of many kinds and transform various binary formats into more human-readable form to compare them.
Vovsoft Compare Two Lists is a list comparison tool that can perform set operations over lists of words or numbers. Copy and paste your lists into the program, then click the "Compare" button to get the difference between the two lists.


Text Comparator, is a portable tool that can be used to compare text from two distinct sources in order to see if they perfectly match or not each other!


RANCID - Really Awesome New Cisco confIg Differ. A web-based tool for automatically downloading Cisco configurations into a CVS version-control system which can be searched, displayed and "diffed" to compare versions of the configuration files.


+2
Text compare! is a online diff tool that allows you to easily spot the differences between to texts. Just paste two texts and hit the compare button. The two texts are shown side by side, with differences highlighted.

tkdiff is a graphical diff viewer based on the Tk framework. It is capable of inter-operating with source-control systems like CVS and Subversion to show differences between a local copy and a repository version.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- BSD
- TK
- Cygwin
































































