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yEd Graph Editor vs Zen Flowchart: catalog facts
yEd Graph Editor	Zen Flowchart
Free Free to download and use; yWorks sells its other diagramming products separately.	Freemium Free to start, with an optional paid upgrade.
Windows, macOS, Linux	Web
Automatic layout arranges large diagrams in one step Imports data from Excel spreadsheets and XML	Very simple interface with one-click node creation Real-time collaboration with view, comment and edit roles
Closed source Desktop only; online editing requires other yWorks products	Deliberately limited feature set compared with full diagram suites Works online only
Downloadable app	Web application
Closed source	Closed source
License: Proprietary freeware	License not stated
Not stated if an account is 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.