Gwt-event-calendar is a project mainly written in Java, based on the GPL-3.0 license.
An event calendar for web sites - GWT, App Engine + Spreadsheet API
A small GWT app hosted on App Engine to display events. Data is read from a public Google spreadsheet and sorted by month in an accordion like vertical stack.
http://androgon-event-calendar-srv.appspot.com/
currently using this spreadsheet:
https://docs.google.com/a/androgon.de/spreadsheet/pub?hl=de&hl=de&key=0Ag_keZpRsME-dGNkeXA5aTdkWkZQLUl4SzJsY0RSVmc&output=html
Thomas Oberndörfer [email protected]