...See https://invent.kde.org/sdk/kdiff3 for the newest code and https://download.kde.org/stable/kdiff3/ for release bundles. All bugs should be filed at bugs.kde.org.
KDiff3 is a graphical text difference analyzer for up to 3 input files, provides character-by-character analysis and a text merge tool with integrated editor. It can also compare and merge directories. Platform-independant.
CvsChangelogBuilder is an utility to generate advanced, differential and/or graphical changelogs, for a project hosted on a CVS server (CVS change log). It provides a better output than the 'cvs log' command, and accept a lot of options.
The statistical analysis tool for git repositories
Gitinspector is a statistical analysis tool for git repositories. The default analysis shows general statistics per author, which can be complemented with a timeline analysis that shows the workload and activity of each author. Under normal operation, it filters the results to only show statistics about a number of given extensions and by default only includes source files in the statistical analysis. This tool was originally written to help fetch repository statistics from student projects...
LDIFF is an enhanced language-independent line differencing tool built upon the Unix diff and overcomes its limitations in determining whether an artifact line has been changed or is the result of additions and removals