The Bandsintown .NET SDK by Damian Karzon interacts with the API to access music events features, including artists and venues. Author's .NEt client available at http://dkdevelopment.net/2010/04/29/smack-my-bitsharp/
Box continues to encourage creativity and innovation with its ongoing parade of challenges, competitions, and hackathons. Its latest quest to engage the developer community arrives in the form of a Risk-inspired online battle: BRISK. BRISK started as a typical Box challenge; however, to date it has developed into its "own wondrous virtual world, complete with it’s own servers, it’s own API and it’s own set of rules." The strategy and competition have become intense and complicated, but the goal remains simple: "devise the optimal strategy for your bot to take over the world."
Stubhub, an online platform where users can buy and sell tickets, has just released its RESTful Stubhub APIs so developers can create applications to track inventory, retrieve event listings and more. Our directory lists 30 APIs related to tickets and some 150 APIs connected to events. Few are sellers bazaars like Stubhub, of course. But it's a thriving space.