Skobbler uses the free editable OpenStreetMap to create apps such as GPS Navigation 2, and ForeverMap that provides maps offline that work when you can't be online. The company has just released the Skobbler tiles API. Compatible with popular frameworks like Leaflet, OpenLayers and Google Maps API v3, its API allows you access to its tile server and to embed maps in your applications.
Swellcast combines all weather data needed to forecast surf conditions for surfers around Australia, and consolidates the data into a user friendly interface that takes the complexity out of understanding when and where the next big wave will appear. Swellcast also offers the forecast data and surf conditions through the Swellcast API.