Google Wave
http://wave.google.com/
Google Wave API
http://code.google.com/intl/en/apis/wave/
Google Wave API Groups
http://groups.google.com/group/google-wave-api
Wave Protocol
http://www.waveprotocol.org/
Wave Protocol Groups
http://groups.google.com/group/wave-protocol?msg=subscribe
Google Wave Group on Facebook
http://www.facebook.com/reqs.php#/group.php?gid=83001004020
Google Wave API Samples
http://code.google.com/intl/ja/apis/wave/samples/index.html
Google Wave Developer Blog
http://googlewavedev.blogspot.com/
LinkedIn - Google Wave Interest Group
http://www.linkedin.com/groups?gid=1996221
Featured Extensions
http://wave.google.com/help/wave/extensions.html