HomeAppsToolsSTU for NATApps like STU for NAT Here are some great alternatives to STU for NAT by Tabuci Victor : JLPT, JFT, NAT test listening ★4.0 FRP ★4.0 CCNA Commands ★3.9 UDP Guard ★4.3 NetPal - netcat for Android ★4.3 Ping ★4.6 UDP Sender / Receiver ★3.2 Ikev2 End-to-End Encryption ★3.8 Fast Port Scanner ★3.5 H-W UDP ★4.0 AndProxy ★3.8 IPTools ★3.9 Golden Udp Max ★3.7 AmneziaWG ★4.9 IP Tools - Network Utilities ★4.1 Mocha Ping Lite ★4.0