Exposely - Immediately reach the largest audiences.
Abstract APIs - Simple, powerful APIs for everyday dev tasks
Crowdly - Crowdly is a social advocate management platform, helps brands find, rank and engage their top advocates on Facebook.
API List - A collective list of APIs. Build something.
Jamballa - Jamballa is a platform that enables brands to reach bloggers and influencers more easily to promote their products and services, and to reach the targeted audience.
Dash 4 - Instant offline access to 150+ API documentation sets