Calendar Integration (Google or Microsoft Outlook)

I haven't seen any existing solutions, but on server events, through the method editor you could make a call to the google calendar webservice and maybe to an exchange server. If no solution exist, that would be the way to explore. Like "onAfterAdd" of an Activity item, add a server method in c# which will do it. You have an example of calling a Rest web service in the Slack integration tutorial : http://community.aras.com/en/publish-aras-events-on-slack/