A Modern, Lightweight Open-Source JavaScript Library for Interactive Maps
Mapstraction is a library that provides a common API for various javascript mapping APIs to enable switching from one to another as smoothly as possible. Developers can code their applications once, and then easily switch mapping provider based on project needs, terms and conditions, and new functionality.
Mobile Atlas Creator (formerly known as TrekBuddy Atlas Creator) is an open source (GPL) program which creates offline atlases for GPS handhelds and cell phone applications like TrekBuddy, AndNav and other Android and WindowsCE based applications. For the full list of supported applications please see the features section. Additionally individual maps can be exported as one large PNG image with calibration MAP file for OziExplorer. As source for an offline atlas Mobile Atlas Creator can use a large number of different online maps such as OpenStreetMap, Google Maps, Microsoft/Bing Maps, Yahoo Maps and many more online map providers.