Sabai Technology - VPN Routers, Technical Support, and more Chose one of our VPN Routers powered by Sabai OS, an easy-to-use alternative to DD-WRT. Our custom VPN Router firmware makes setting up your own VPN network painless and possible for anyone. Sabai's goal is to bring a sense of peace to your network with easy-to-use VPN software and one-on-one, white-glove Technical Support. Sabai does not make your internet, but it does make your internet better, easier, and safer.