MadMapper - The Mapping Software
Tidze - All-in-one ticketing and live streaming
Resolume - Resolume is an application for live video performances.
GiveCentral Live - GiveCentral Live is an online web streaming solution that allows you to live-stream your charity events, galas, and other fundraising activities to your supporters.
Linux Show Player - Sound player designed for stage productions
Flutin - Flutin is an online live streaming platform through which you can easily multistream on 40+ platforms.