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Diagram Designer vs EdrawMax: catalog facts
Diagram Designer	EdrawMax
Free Freeware with source code under the MIT licence.	Freemium Commercial Wondershare software with a free download; full use requires a paid plan.
Windows	Windows, macOS
Small 2 MB installer Template palettes for flowcharts and UML	Covers many diagram types in one program Very large template and symbol library
Windows only Dated interface and simple feature set	Proprietary software tied to the Wondershare product range Site mixes many unrelated products, making pricing details hard to find
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	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 2, 2026	Official website Full listing and sources Checked October 2, 2026

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