This is my homework. I collected good community sites.

1. Community Sites
Yasunobu Kawaguchi

2. IxDA Interaction Design Association
http://www.ixda.org/

3. IxDA Top Page

4. IxDA Top Page
Top
Side
Main

5. IxDA Top Pain
Account Information / Control
Compact & Good Enough
Search
Community Logo Menu / Sitemap

6. IxDA Main Pain
Main Eyecatcher like a poster Q&A 2: How
newbee expert
Q&A 1: What
SNS connections
ToDo tips:

7. IxDA Side Pain
How can I join
E Forums
Real Meetups/
groups
Contributions
Donation
and
Volunteer

8. Agile Alliance
http://www.agilealliance.org/

9. Agile Alliance

10. Agile Alliance
Top
Eyecatch
Main Side

11. Agile Alliance
Account Information / Control
Community Logo Menu / Sitemap

12. Agile Alliance
Q&A 1: What Q&A 2: How
Annual Conference Banner

13. Agile Alliance
Events
Q&A 1: What
News

14. Agile Alliance
Potential Member
Press / Sponsor

15. Seattle.rb
http://www.seattlerb.org/

16. Seattle.rb

17. Seattle.rb
Top
Eyecatch
Main

18. Seattle.rb
Q&A 1: What
Community Logo

19. Seattle.rb
Q&A 2: How

20. Seattle.rb
Q&A 3: Who

21. Seattle.rb