Nuclei is listed under Security & IT Operations, in the Industry-Specific Tools category on Flocci AI Tools. Template-based vulnerability scanner with thousands of community templates. It is free, with no paid plan attached, and it lives at github.com.
Nuclei is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 399 entries on Flocci AI Tools with no upgrade path built in.
Nuclei does 3 things the catalog singles out: Template-based vulnerability scanner with thousands of community templates; ai-assisted template generation from natural-language prompts in the projectdiscovery ecosystem; mit licensed.
garak (NVIDIA) is the closest free alternative: it sits in the same Security & IT Operations sub-category and is free. Magika (Google), PentestGPT and Strix also start free. The full list is on the alternatives page.
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