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Best Free Alternatives to Nessus Professional
Stop paying $3390/yr. Discover professional-grade tools that won't break your budget.
Category: VulnerabilityVerified for 2025
Top Recommended Replacements
OpenVAS
FREETop Free Alternative
Why we like it
Completely free or has a generous free tier.
Keep in mind
May lack some enterprise features.
Greenbone Community
FREERunner Up
Why we like it
Great features and widely used.
Keep in mind
Interface might be different.
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