Slack Events API - Subscribe to events in Slack via HTTP

Prekindle - Prekindle is a simple yet powerful event management, ticketing, and marketing platform that helps businesses to sell tickets to the event online and spread the word.

B12 Bookings - Bookings scheduling software that integrates with your site

Tix - Tix is a state-of-the-art, cloud-based ticketing system that features fully integrated access controls, event management controls, multi-channel distribution capabilities, and a robust reporting suite.

Guestboard - Lead powerfully-organized group events with Guestboard – a modular event platform that gives groups of 10-1000+ people a central space to coordinate, build excitement, and save money. No more crazy email threads. No more massive group texts.

EventTitans - Top rated event management software