The Mapbox GL Native C++ SDK is a library for embedding interactive, customizable vector maps into native applications on multiple platforms. It takes stylesheets that conform to the Mapbox Style Specification, applies them to vector tiles that conform to the Mapbox Vector Tile Specification, and renders them using OpenGL. Mapbox is an open source mapping platform for developers.
For a couple years I've thought about creating a geo-located tagging app. The idea is that anyone could use it like Delicious, but for tagging anything they want in the real world. Learning a mobile platform and creating the backend was always too much trouble for what is really just a fun little project. Now, I could write it in potentially less time than it's taking me to write this post. The Human.io API lets developers create mini-apps within its iOS and Android apps, with access to the camera and user location.
Appy Pie, cloud based mobile apps builder, continues to add to its list of supported APIs. Its latest additions include some of the most prevalent names in image sharing: Facebook, Flickr, Pinterest, Picassa and Instagram. The image newcomers to the Appy Pie portfolio allow developers to share images in realtime with users.