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The free version will be back but until i have time to create an alternative to the way it works now you will be unable to use the free version.Update: I have been forced to remove the free version as it causes to much trafic on the server.
The host has now twice blocked the site/offset folder as it is getting to many requests.
I am going to work on adding a different system that will allow me to keep a free version but for now "free" logins will not work.
I plan to have an alternative up in the weekend.
Edit: The free server is planned to online again by the end of the weekend (I have bought a second server + domain for it).