RdpGuard - RdpGuard allows you to protect your Remote Desktop (RDP), POP3, FTP, SMTP, IMAP, MSSQL, MySQL, VoIP/SIP from brute-force attacks by blocking attacker's IP address. Fail2Ban for Windows.
Unimus - Unimus is a Network Automation and Configuration management (NCM) solution designed for fast deployment network-wide and ease of use. Unimus does not require learning any abstraction or templating languages, and does not require any coding skills.
SSHGuard - SSHGuard monitors services through their logging activity.
Oxidized - configuration backup software (IOS, JunOS) - silly attempt at rancid
IPBan - Block hacking attempts on RDP, SSH, SMTP and much more
RANCID - RANCID - Really Awesome New Cisco confIg Differ.