Airbnb Official API - Develop your application for millions of travelers & hosts
Roivenue - A marketing intelligence suite built to maximize marketing ROI through data-driven marketing attribution and data integration.
TelstraDev - Telstra's home for all things API and developer
DropUnited - Chrome extension removes United from your flight search
Airbnb Experiences - Airbnb expands beyond rentals — now hosting Experiences
CloudSight - Image recognition API; send an HTTP request with an image, get a description of contents.