Open-source file and folder diff and merge tool for handling differences in code, text and configuration files.
KDiff3 is an open-source file and folder comparison and merge tool supporting two-way/three-way comparison, text merging, directory comparison and conflict resolution. It suits code version handling, configuration file comparison, checking text changes and merging Git conflicts.
Use cases: file comparison, three-way merge, code diffs, Git conflicts, folder comparison
Note: For simple text diffs, Meld or WinMerge also work.