Open Data Kit (ODK)
Open Data Kit (ODK) is an Android-based mobile forms filling application (ODK Collect), which is designed for forms-based observation using forms that support textual, audio, image, video, barcode and GPS answers. Data is sent to an OpenRosa compliant forms server. ODK Aggerate is one such server, which is hosted on Google App Engine. The ODK Manage tool is provided to manage deployed devices.