This is a generic crowdsourcin platform developed by Clara Bayarri as part of her bachelor's thesis. This platform serves tasks to registered applications. The first use case is a linguistic problem solving game, and can be found also on Github. This platform can be found running during its development phases on heroku.
First build with:
$mvn clean package
Then run it with:
$java -jar target/dependency/jetty-runner.jar target/*.war