KCachegrind / QCachegrind - {K,Q}Cachegrind is a KDE/Qt GUI to visualize profiling data. It's mainly used as visualization frontend for data measured by Cachegrind/Callgrind tools from the Valgrind package, but there are converters for other measurement tools available.
Features

SEE ALSO: README

Stuff in this directory:
=== DEBUGGING SUPPORT
adddebug Modifies the Makefile to add debug info (-g)
add_trace.pl Modifies a source file to add a trace as the first line of every method, using kdDebug, and showing args values.

SEE ALSO: README

KDiff3-Readme
Author: Joachim Eibl (joachim.eibl at gmx.de) Port to KF5/Qt5 by Michael Reeves (reeves.87@gmail.com) KDiff3-Version: 1.12
Now requires Qt 5.12 or later and KF5 5.70+. Legacy 0.9.98 and earlier builds are not supported. MacOS X build is 64-bit only unfortunately I can't test build locally. The Konqueror specific plug-in is not ported and no longer maintained. This plug-in would only apply to KDE before 4.6. As of 1/13/17 cmake 3.1+ is the targeted cmake version.

SEE ALSO: README

Kompare 2.0
Kompare is a program to view the differences between files. Features include:
* comparison of files or directories via a graphical interface * bezier-based connection widget lets you see both source and destination as they really appear * graphical viewing of patch files in normal, context, unified and diff formats * interactive application of differences * full network transparency * ability to view plain-text diff output in embedded viewer * easy navigation of multiple-file diffs with dockable navigation tree * graphical interface to commonly used diff command line options * switch source and destination with one command * diff statistics

massif-visualizer
visualizer for Valgrind Massif memory-usage tracking tool
:Author: Milian Wolff <milianw.de">mail@milianw.de> :Date: 2011-11-21 :Manual section: 1
SYNOPSIS

SEE ALSO: README