Get Together - Get Together is an open source event manager for local communities.

Paperless Post - Paperless Post is an online platform for creating custom card and invitations.

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

Feathr - Feathr is a marketing platform designed just for event organizers.

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.

Ex Ordo - The Support team at Ex Ordo can build your book of abstracts or papers (for an additional cost) through a semi automated process. Essentially, you choose your p