Wayland had support for an OpenWF backend but this was later removed due to lack of maintenance.
DirectFB have plans to add support for OpenWF.
QNX Neutrino, widely deployed, such as in infotainment panels of Volkswagen vehicles, uses OpenWF.1
"QNX Brings Mobile-Class User Experience to Secure and Reliable Embedded Systems". www.qnx.com. Retrieved 2019-09-23. http://www.qnx.com/news/pr_5824_1.html ↩