Ring4 - Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.
Tello - Tello is a mobile virtual network provider that provides users with the 4G LTE network coverage.
SpotMenu - Spotify and iTunes in your macOS menu bar
US Mobile - US Mobile is a platform that offers a wireless network to users for tablets and phones.
OpenPhone - Simplest way to own a business phone number
Ultra Mobile - Ultra Mobile is a platform that offers users unlimited text, talk, and data services to users through its 4G LTE network.