A community of action (CoA), unlike a community of practice, exists in a situation that is structurally more open, where actors have the possibility of bringing about change.

• Community of circumstance
• Community of inquiry
• Community of interest
• Community of position
• Community of place
• Community of practice
• Community of purpose

• Communities of action: a cognitive and social approach to the design of CSCW systems
• Socio-Semantic Web applications: towards a methodology based on the Theory of the Communities of Action
• Distributed Design Teams as Communities of Practice