No, you can get teh source code from them for free, as it'll be an open project ... so you can include access to their servers into your own apps ... I just want to make a stand-alone client, but anybody is free to include access to their servers with their own software (ie...bundle it with something else). They don't have any thing yet up on www.jellingspot.net ... but just email them and ask for it.
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Aren't you Jellingspot enabled?