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OpenSCAD vs BlocksCAD: catalog facts
OpenSCAD	BlocksCAD
Free Free and open source, funded through Open Collective.	Freemium Basic accounts are free; education features have a 30-day trial or come through a school…
Windows, macOS, Linux	Web
A script is a design, so parameterised objects and version control come for free Constructive solid geometry and 2D extrusion, aimed squarely at CAD rather than art	Block-based programming suited to beginners Runs in the browser with no install
The last tagged stable release is 2021.01, so in practice people run development snapshots Not an interactive modeller: you cannot click and drag geometry	Education features require a trial or school code Aimed at learning rather than detailed engineering work
Downloadable app	Web application
Open source	Closed source
License: GPL-2.0	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 September 20, 2026	Official website Full listing and sources Checked September 24, 2026

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