Freemium
Alternatives to Nuclei
12 tools like Nuclei, chosen by what they do. About Nuclei
Curated
Detectify
Cloud scanner for exposed assets, APIs and web applications
Web ScanningAttack surface scanner
Open source
testssl.sh
Command line tool that tests TLS and SSL server configurations
Web ScanningCommand line TLS tester
Freemium
Shodan
Search engine that indexes internet-connected devices and services
Web ScanningSearch engine for devices
Curated
StackHawk
Security testing for running apps, with fixes from coding agents
Web ScanningDeveloper first DAST
Open source
OSV-Scanner
Finds known vulnerabilities in your project's dependencies
Code SecurityGoogle open source scanner
Open source
Open source
Grype
Open source CLI that finds known vulnerabilities in container images
Cloud SecurityFast vulnerability scanner
Open source
Zed Attack Proxy (ZAP)
Free open source scanner for finding security flaws in web apps
Web SecurityFree web app scanner
Open source
Trivy
Open source scanner for vulnerabilities and misconfigurations
Code SecurityOpen vulnerability scanner
Open source
Nmap
Free, open source network scanner for hosts, ports and services
Pentest and BountyNetwork discovery scanner
Freemium
Burp Suite
Web security testing toolkit for manual and automated scanning
Pentest and BountyWeb security testing toolkit