Take a look at Gnucleus Daily Builds Home Page . Gnucleus 2.2.0.0 is a daily, whereas 2.0.2.0 is the stable version offered on the SourceForge download page.

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Shareaza[dot]com was hijacked and now distributes an application pretending to be ShareazaV5. In fact, ShareazaV4 and V5 are relooked clones of BearShare and iMesh and connect to their centralized and filtered network. They are totally unrelated to the genuine, open source Shareaza which moved to http://shareaza.sourceforge.net/