Teammeet is a video calling app bundle with screen sharing and whiteboard collaboration. You can deploy web (PWA), Android, Mac, Windows, and Linux binaries from this package.
Demo: https://codecanyon.net/item/teammeet-video-conferencing-online-meeting-webinar-app-bundle-web-android-desktop/29302920
source http://www.codelist.cc/mobile/242349-teammeet-v1111-video-conference-online-live-meeting-webinar-app-bundle-web-android-desktop.html