ODK

Spatial Data Collection Tools

ODK Collect is an open source Android app that replaces paper forms used in survey-based data gathering. It supports a wide range of question and answer types, and is designed to work well without network connectivity.Utilize geopoints to collect spatial data, automatic geotracing to record a route, or use the Geoshape widget to collect and calculate polygons.

Operation
Cloud based
Server based
Vector Data Management
Analysis Functions
Query Functions
Geoprocessing
Geometry Processing
Layers
Multiple Layers Options
Thematic Overlays
Layer Grouping
Layer Sorting
Data Collection
Mark Points of interest
Create lines and polygons
Text
Images
Numbers
Visualization
2d Maps
3d Maps
Static Maps
Interactive Maps