Travelport is a company that focuses on e-commerce for travel purposes either by land or air. Users can benefit from this SDK that is available by request to create applications and increase sales. Technical requirements include Message Envelope SOAP 1.1, Message Transfer HTTP 1.1, Encryption SSL 3.0, and Web Service Description Language WSDL 1.1, an XML-based interface definition language. See more of what the SDK can do for a travel project at https://developer.travelport.com/euf/assets/developer-network/pdfs/desktop_SDK_factsheet.pdf
Microsoft has added waypoint optimization to the Bing Maps Routing API, which allows developers to create routes between driving locations. The API is ideal for delivery and transportation businesses, and the route optimization functionality is intended to address the traveling salesman problem.
With Lemonade Stand, users can search for things to buy in a location-based manner, or add their own listings of things they wish to sell. The application is currently available as a client for Android, with a possible Windows Phone 7 version on the way soon as well, from a 3rd party developer that released an early version. Its Lemonade Stand API allows other developers to either code their own clients or use it in mashups.