When comparing TortoiseMerge vs AraxisMerge, the Slant community recommends TortoiseMerge for most people. In the question“What are the best folder/file compare/diff tools for either OSX, Linux or Windows?” TortoiseMerge is ranked 14th while AraxisMerge is ranked 15th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Simple and easy interface
Pro Always worked as expected
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 Windows only
TortoiseMerge is Windows only.
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.