Event Calendar App - A simple, easy to manage, way of displaying events
GetStream.io - APIs for the development of scalable newsfeeds and chat applications.
Mixily - Hosting your event just got easier.
Geneva - An all-in-one communication app for groups & communities
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
müteme - A free Zoom mute button for Mac