XP(Extreme Programming)
http://xprogramming.com/index.php
KISS(Keep it simple,Stupid!)
http://en.wikipedia.org/wiki/KISS_principle
YAGNI(You Aren't Going to Need It)
http://www.artima.com/weblogs/viewpost.jsp?thread=36529
Minimalism(LIM:Less is more)
http://en.wikipedia.org/wiki/Minimalism
User story
http://en.wikipedia.org/wiki/User_story
INVEST
http://en.wikipedia.org/wiki/INVEST_(mnemonic)
3C(Card,Conversation,and Confirmation)
http://xprogramming.com/articles/expcardconversationconfirmation/
Coding Dojo(代码道场)
http://www.danielteng.com/2011/03/15/coding-doj/
Retrospective
http://en.wikipedia.org/wiki/Retrospective