TinyWall - Lightweight and non-intrusive firewall
NetGuard - NetGuard
Emsisoft Online Armor Firewall - Emsisoft Online Armor Firewall is a freemium online firewall protection system by the Emsisoft that is based on the own independent protection technology of the Emsisoft.
AFWall+ - AFWall+ (Android Firewall +) - iptables based firewall for Android
Windows 10 Firewall Control - Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.
NoRoot Firewall - Firewall WITHOUT ROOT.