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Erik Robertson how hard do you think it would be to build app like that from ground up as open source? I have some C++/Python experience I would be happy to chip in!
Ok who ever interested in doing open source project like tabs drop me an mail dariusz at dariuszmakowksi com.
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Erik Robertson O did a quick check. We can use one of open source tree libraries for Java and then its just using that & building around that. Will sit to it over next few weeks and mock something up.