Patator is a utility written in Python to brute-force accounts in different kinds of services (like IMAP, SSH, and HTTP) to gain access. Requires a dictionary file. Dependency heavy because it doesn't actually implement any of the protocols itself but instead relies upon a number of Python modules that already do. Read the code carefully before attempting to run it, it's designed to be user-unfriendly to limit the possibility of abuse.
A utility that cracks BIOS passwords.