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Altium Designer vs Fritzing: catalog facts
Altium Designer	Fritzing
Best for: Professional PCB design suite covering schematics, layout, and simulation	Best for: Document electronics projects with breadboard, schematic and PCB views
Paid Commercial license; no free tier.	Paid Official compiled downloads require payment. The source is available under GPL-3.0.
Windows	Windows, macOS, Linux
Covers the full workflow from schematic and simulation to layout and manufacturing files Widely used in professional electronics teams, so training and library resources are plentiful	Helps turn wiring layouts into project documentation Includes a PCB design workflow
Expensive commercial licensing aimed at professional teams, not hobbyists Windows-only, with a steep learning curve for newcomers to PCB design	Official compiled downloads are paid even though the application source is open.
Downloadable app	Downloadable app
Not open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Altium Designer altium.com/altium-designer Catalog checked September 22, 2026	Official website Full listing and sources Sources for Fritzing fritzing.org github.com/fritzing/fritzing-app Catalog checked September 22, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.