Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
TechEvents.co - Tech and startup events aggregator
Yapp - Yapp enables users to create personalized mobile applications for their events, gatherings, and groups.
Event Hunt - Startups and Tech Events Curated By Locals
Iventlist - Create an app for your event in minutes 🎟️
EventsApp - A simple concise app for creating and sharing events.