Whenever I see a site which contains code, builds or plugins I backup a local copy.
xoblite contains the single largest intact plugin repository at http://xoblite.net/plugins.html
Most of them are already posted here, but here's the full archive mirrored anyways:
xoblite_plugins.zip 4.7MB 18 downloads
Also I can across pitris' site http://pitris.org earlier today and grabbed a copy of the plugin sources there.
They will probably need some tweaking before they compile in upstream, but for now I'll dump them here anyways (also pitris.org seems to be down)
BBnettraffic.zip 6.74KB 12 downloads
BBping.zip 3.94KB 6 downloads
BBpopup.zip 4.5KB 9 downloads
BBreminder.zip 19.75KB 9 downloads
BBrssfeed.zip 48.5KB 8 downloads
BBsky.zip 84.05KB 14 downloads
BBsystraffic.zip 63.53KB 10 downloads
BBwincolors.zip 4.6KB 8 downloads