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Delineate vs Graphviz: catalog facts
Delineate	Graphviz
Free Free and open source under GPL-3.0-or-later.	Free Free and open source.
Linux	Windows, Command line
Live graph preview while editing DOT Supports multiple Graphviz layout engines	Diagrams generated automatically from plain text Exports to PNG, SVG, PDF and PostScript
Graphs are specified in the DOT language.	Requires learning the DOT language Limited manual control over automatic layouts
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.