Site Name URL Description
42Crunch https://42crunch.com/freemium Online API security scanner.
AntiScan https://antiscan.me Scan your file with over 26 anti-viruses.
Hacker Target https://hackertarget.com Hosted vulnerability scanners.
Mozilla Observatory https://observatory.mozilla.org Set of tools to analyze a website and inform you if it is not using the many available methods to secure it.
Netcraft https://www.netcraft.com Scan and discover the web technologies and internet infrastructure powering any site.
Pentest Tools https://pentest-tools.com Various online pentesting and scanning tools.
Qualys SSL Labs https://www.ssllabs.com/ssltest SSL server test that performs a deep analysis of the configuration of any SSL web server on the public Internet.
VirusTotal https://www.virustotal.com Analyse suspicious files, domains, IPs and URLs to detect malware and other breaches, automatically share them with the security community.
Wappalyzer https://www.wappalyzer.com Find out the technology stack of any website.