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Best Free Alternatives to Proteus Design
Stop paying $500. Discover professional-grade tools that won't break your budget.
Category: Circuit SimVerified for 2025
Top Recommended Replacements
SimulIDE
FREETop Free Alternative
Why we like it
Completely free or has a generous free tier.
Keep in mind
May lack some enterprise features.
LTspice
FREERunner Up
Why we like it
Great features and widely used.
Keep in mind
Interface might be different.
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