Currently, it is based on Ubuntu 14.04.2 LTS (Trusty Tahr), running Linux kernel 3.13.
It offers users with a full and complete desktop environment, as everything is written in HTML5.
Several paid plans and a free one are provided by Icebergs that wont secure your sessions.
it’s possible for you to try Icebergs service at https://icebergs.io/.
source: www.techworm.net