Planet Apache provides its aggregated feeds in RSS 2.0,RSS 1.0 and RSS 0.9, and its blogroll in FOAF and OPML (the most horrific abuse of XML known to man).
The Java related projects at the ASF use a build integration tool called Gump to generate nightly builds. You can subscribe to the RSS feed of Gump results.
There is life on other planets. A heck of a lot, considering the community of Planet sites forming. It's the Big Bang all over again!
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