Gift circles are community Gatherings where large number of people gather , facilitator talks about the receiving that comes in the gifting and lays down circle agreements, The people then have one round of sharing followed by listing 3 needs and 3 gifts they have to share along with their contact details, The participants then connect with each other to meet their needs.

https://opencollaboration.wordpress.com/2015/12/28/gift-economy-ecosystem/