According to the x737 team “The x737project version 5 is a free sophisticated simulation of the world’s safest and most successful narrowbody airliner Boeing 737NG. We are proud to present the brand new x737-700 for X-Plane 10 and 11, Mac/Windows/Linux 32/64bit. get x737-700 from this website and enjoy a very realistic flight experience. More than 30 liveries from all over the world contributed by a number of x737project painters bring your favorite airline on your desktop.”
“x737project is a complex simulation provided by a plugin that is installed with x737project aircraft, adding a huge number of realistic systems like autopilot, fuel systems, pressutization and directional sounds to the simulation. For a perfect FMC we recommend x737FMC by EADT.”
For homecockpit builders x737project version 5 exports more than 1770 custom datarefs. Every single switch, knob or light provides its state by a dataref. Be aware that x737project is not a game, it is a realistic simulation of a complex system. Enjoy x737project version 5!
The current version is 5.1 (initial release), released on May 1st 2017.