You can read more about the openvas online scanner here.
What Web has over 900 plugins, each to recognise something different.
What Web also identifies version numbers, email addresses, account IDs, web framework modules, SQL errors, and more.
What Web Web Scanner Online is now available to try in our free penetration testing tools online 13) Blind Elephant Web Scanner The Blind Elephant Web App Fingerprinter attempts to discover the version info by comparing static files at known locations against precomputed hashes for versions of those files in all all available releases.
We have also included download links where possible.
1) Metaspoit Framework This is the free version of the metasploit package, one of the best pieces of software around for Windows, Linux and Mac systems.