There are 2 repositories under miracast topic.
support main wireless display protocols of Airplay SDK, Miracast SDK, WiDi SDK, GoogleCast SDK, DLNA SDK, BJCast SDK
OpenEmbedded / Yocto Project MiraCast support layer
A short script to manage Wecast devices
Screen Mirroring Cast to TV Chromecast is an incredibly flexible casting app that makes screen mirroring and media casting more convenient.