| Image | Title | Author | Created | Tags | Actions |
| ZEGG meets Berlin |
Arne Bollinger | March 13, 2015, 2:30 p.m. | event gift-auction gift-circle | |
| The gift-economy auction or gift-circle |
Arne Bollinger | Dec. 8, 2014, 4:44 p.m. | events gift-auction gift-circle | |
| ecobasa at Move Utopia |
Arne Bollinger | July 6, 2017, 11:07 p.m. | networking Gift-economy gift-circle Events |