September 2, 2006

BarCamp London at Yahoo! UK

December 11, 2007

GeekUp at Rain Bar

June 4, 2008

OpenStreetMap Mapping Evening in Stratford at Stratford Station

June 9, 2008

London Ruby User Group (LRUG) June 2008 Meeting at The Old Sessions House

June 19, 2008

London Festival of Architecture 2008 at London (multiple venues)

June 28, 2008

The Battle for Progress: What does progress mean in the 21st Century? at The Lift (Southbank Centre Square)

August 17, 2009

Brick Lane OpenStreetMap meet-up at Vibe Bar

September 24, 2009

Over The Air - 24 hours of mobile development at Imperial College, South Kensington