FUEL CYCLE by Passenger - Think Passenger builds online platforms that allow brands to connect, create and communicate with key stakeholders.
Mobilize - Mobilize is a scalable messaging app built for large groups.
Spot.IM - Spot.IM offers a set of tools and technology for your online community management.
NationBuilder - The world's first platform for leaders, handcrafted from scratch to help you grow your community and lead them to action.
BoonEx Dolphin - Dolphin is an open-source software for creating custom social networks and web communities.
Ning - Ning is the social platform for the worlds interests and passions online.