Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Flickr - image and video hosting website
Zoho Backstage - Plan, run, and analyze your event— all from one place
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Meetup for iOS and Android - Discover groups that are all about the things you love
PhotoPrism.app - PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.