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.

Rsvpify Virtual Events - Rsvpify Virtual Events is an event management tool that provides you various functionalities ranging from setting up the entire event to selling the tickets online to the targeted audience.

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Magnet Event Pro - Magnet Event Pro provides tools that help you easily create a small or a large-scale event completely on your own terms.

Mobilizon - A free and federated tool to get our events off Facebook

EventCreate Online RSVP - EventCreate Online RSVP is a tool for collecting RSVPs online.