DNS Changer - IPv4 & IPv6

Quad9 Connect

Ping & Net

Trust VPN

InviZible Pro

Private & Secure VPN: TorGuard

SSH Injector - Tunnel VPN

DNSChanger for IPv4/IPv6

SSL Toolkit

SocksDroid

PingTools Network Utilities

Encrypt.me - Super Simple VPN

Pingmon - network ping monitor

OneClick VPN

Tachyon VPN - Private Proxy

Avast SecureLine VPN & Privacy

strongSwan VPN Client