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