This project is actively maintained
User documentation is here
The Google group for user questions is: opendatakit@
This is the ODK 1.x Android tool.
ANDROID STUDIO NOTE: open the .iml file (otherwise you won't get the unit and android system tests)
The developer wiki (including release notes) and issues tracker are located under the opendatakit project.
The Google group for software engineering questions is: opendatakit-developers@