Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
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
GetResponse - Email marketing from GetResponse. Send email newsletters, campaigns, online surveys and follow-up autoresponders. Simple, easy interface. FREE sign up.
Ticket Tribe - Sell tickets online with no fees per ticket
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES