Brute forcing tools
Crowbar (brute forcing tool)
Crowbar is a brute forcing tool that can be used during penetration tests. Unlike other similar tools it uses different methods to achieve its goal.
known_hosts_bruteforcer (brute force SSH known_hosts file)
The known_hosts_bruteforce is a script to discover hostnames from the known_hosts file. This can be useful during penetration testing or incident response.