Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.
Sporteventus for iOS - The worldwide search engine for sporting events and tickets
Nabble - Nabble is a forum software that are embeddable and fully customizable with scripting language.
Jukely - Go to hundreds of concerts for one monthly fee 💃
Bigtent - BigTent is a web-based organization and communication portal for groups.
TicketHarbor - The safer Craigslist for P2P ticket exchanges