When comparing difftastic vs AraxisMerge, the Slant community recommends AraxisMerge for most people. In the question“What are the best diff tools for Git?” AraxisMerge is ranked 12th while difftastic is ranked 18th. The most important reason people chose AraxisMerge is:
AraxisMerge has a feature which is very helpful especially for beginners. By clicking on different parts of a text file you can select all the parts to added in a final merged file. The comparison display also updates real-time as the merge happens.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Can diff directories
Pro Syntactic diffing
Down to a character.
Pro Cross platform
Linux, Mac and Windows.
Pro Supports over 20 languages (and some other syntax)
c, c++, c#, java, python, go, javascript, json, rust, sql, html, css and more.
See here.
Pro Language autodetection
Pro Has a manual
Pro Supports other version control tools
Like Mercurial.
Pro Works with Magit
Pro MIT license
Pro Has syntax highlighting
That can be turned off.
Pro Point and click merging
AraxisMerge has a feature which is very helpful especially for beginners. By clicking on different parts of a text file you can select all the parts to added in a final merged file. The comparison display also updates real-time as the merge happens.
Pro Directory comparisons
AraxisMerge supports comparing different directories with each other.
Pro Beautiful interface
Pro Three way merges
AraxisMerge supports three way merges.
Pro Update alternative files Word, PDF and even images
Pro Works great on large files
Cons
Con Can be confused with syntax at times
Con Commercial
AraxisMerge is not free:
$129 Standard and $269 Professional
But this is peanuts for a tool that you can use all day for the rest of your developer life.