Apps similar to BeyondXML include Araxis Merge. Other options are ExamXML and Altova DiffDog. In total there are three Diff Tools like BeyondXML for Windows and Mac.
Merge is the visual file comparison (diff), merging and folder synchronization application from Araxis. Use it to compare and merge source code, web pages, XML and other text files with native application performance.
United Kingdom
ExamXML displays XML documents in a tree view, highlighting differences down to the level of elements, words or attributes, so that you can view exactly which attributes and elements have been added, modified or deleted.
United States
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...
Austria
EU