Version 0.12.0-21 Posted on April 4th, 2018
The new version is now available to download. For details of all changes view the news area of the homepage.
To get a good quick start, also you should check out the user documentaion
The development framework of your choice should be QT Creator which is designed to streamline the creation of applications and user interfaces to target multiple platforms with one code base.
Download Qt Creator