Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
IdeasAI - OpenAI-powered startup idea generator
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Nugget - Find your perfect startup idea
pretix - pretix helps you to sell tickets for your event in an easy way. It supports multi-lingual events and provides a wide range of features
The 25 Days of Ideas - Free resources for coming up with startup ideas