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

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