What is "webix"

Webix is a JavaScript and HTML5 framework for developing cross-platform data-rich mobile and desktop web applications with highly responsive user interfaces. The library is distributed under both open-source GNU GPLv3 and Commercial licenses, and comes in Standard and Pro editions. Webix is developed by IT outsourcing company XBSoftware, headquartered in Minsk, Belarus. XBSoftware uses Webix in the solutions they build for paying customers.