Software · Photo & graphics

KGraphViewer

Name: KGraphViewer
Author: KDE

A Graphviz DOT graph viewer.

Completely free
Linux
Open source

At a glance

KGraphViewer is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-2.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

KGraphViewer is a Graphviz DOT graph file viewer, aimed to replace the other outdated Graphviz tools. Graphs are commonly used in scientific domains and particularly in computer science. Features: Zooming Threaded loading of several graphs in tabs Saving of the recent files list Manual reload of files Display of a bird-eye view of the graph Moving of the graph by dragging Full featured printing Perfect drawing of all graphviz example graphs Automatically choose dot for directed graphs and neato for undirected Possibility to use an arbitrary layout algorithm as soon as it produces xdot format Automatic reloading with user confirmation of (externally) modified files (configurable) Open new instances as new tabs in the old one (configurable)

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Official plan pages (pricing, licence, terms) (commercial use) — 10 November 2026
Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 10 November 2026
Last technical check: 8 November 2026
Description from Flathub — AppStream (Flathub)

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