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.
TinyWall - Lightweight and non-intrusive firewall
SSHGuard - SSHGuard monitors services through their logging activity.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
IPBan - Block hacking attempts on RDP, SSH, SMTP and much more
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.