Compare software

Graphviz vs Flowchart Fun: catalog facts
Graphviz	Flowchart Fun
Free Free and open source.	Free Described on its website as a free online flowchart maker.
Windows, Command line	Web
Diagrams generated automatically from plain text Exports to PNG, SVG, PDF and PostScript	Diagrams are written as plain text, so edits are fast Runs in the browser with nothing to install
Requires learning the DOT language Limited manual control over automatic layouts	Less control over exact layout than a freehand drawing tool License and source details are not stated on the homepage
Downloadable app	Web application
Open source	Closed source
License not stated	License not stated
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 2, 2026

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