With this app you can easily calculate your maximum flight duty period if you are a pilot operating under EASA FTL regulations. The current rules as of April 2016 are implemented - check your duty time in regard to basic duty period, extensions, inflight rest, split duty, commander's discretion and more! Some settings can be modified within the legal limits (for example, if a FRM is in place or your rosters are of the early or late disruptive type). You can also check your acclimatisation status.
Additionally, it is possible to maintain a second set of rules to reflect conditions of a work contract. You can calculate duty time also on this set of rules, but be careful as you can (with some limitations) freely create these rules and they are not checked against legal limits! This contract rule set is rather basic and only supports basic duty periods, stytic rules, split duty and inflight rest.