Curated
HackerOne
Platform for bug bounties and vulnerability disclosure programs
Pentest and BountyBug bounty platform
Alternatives to Bugcrowd
12 tools like Bugcrowd, chosen by what they do. About Bugcrowd
Freemium
Burp Suite
Web security testing toolkit for manual and automated scanning
Pentest and BountyWeb security testing toolkit
Open source
Nmap
Free, open source network scanner for hosts, ports and services
Pentest and BountyNetwork discovery scanner
Freemium
Aikido
Security platform for code, dependencies, cloud and pentests
Code SecurityAll in one security for devs
Freemium
Curated
Checkmarx
Enterprise platform that scans code for security flaws and risks
Code SecurityEnterprise code security
Curated
Detectify
Cloud scanner for exposed assets, APIs and web applications
Web ScanningAttack surface scanner
Paid
Sucuri
Website security service for malware cleanup and firewall
Network DefenseWebsite firewall and cleanup
Open source
Zed Attack Proxy (ZAP)
Free open source scanner for finding security flaws in web apps
Web SecurityFree web app scanner
Open source
Grype
Open source CLI that finds known vulnerabilities in container images
Cloud SecurityFast vulnerability scanner
Freemium
Snyk
Finds security risks in AI-written code, agents and apps
Code SecurityFind and fix vulnerabilities