From P2P Foundation
- Gobble, Grubwithus, and Eat With Me (Australia) are Airbnbs for meals. Use them to find or host a meal in your neighborhood. Never eat alone! 
- MamaBake - Large batch group cooking saves time and money, not to mention it's fun! 
- Local Harvest - A massive directory that helps you find farmers' markets, CSA's, and other sources of sustainably grown food in your area.