APPRECIATIVE INQUIRY
Appreciative Inquiry Commons. Lots of good stuff at this site at the Weatherhead School of Management at Case Western University, where David Cooperrider and Suresh Srivastva first coined the term "Appreciative Inquiry" in 1987.
AI and the Quest: A fresh way of looking at organizations and philanthropy. A bunch of interesting AI stuff, including quotes.
AI resources by Gervase Bush: Gervase Bush is a thought leader in Appreciative Inquiry and its application.
STAKEHOLDER ENGAGEMENT
The Engagement Spiral: Threshold Associates' approach to stakeholder engagement for whole-system change.
Stakeholder Engagement Toolkit: A PDF document containing a collection of ideas for undertaking a stakeholder engagement process.
Social Innovation Exchange (SIX): A site devoted furthering innovation in social change.
COMMUNITIES OF PRACTICE (CoP)
CoP in Wikipedia