This API lets users monitor their GPS-phone. Users have full control of their own data. Both client software (for phones) and server software is free open source. OpenGeoTracker is an open source platform (both client and server) for logging, retrieving and displaying GPS data. It open sources both the client and server allowing users to set up their own server and control all the data. It uses RESTful calls and responses can be formatted in CSV or KML.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.