B2G may refer to: B2G OS, community-developed successor to Firefox OS Battery-to-grid, specifically vehicle-to-grid Be2gether, a music and arts festival held in Lithuania Boot to Gecko, the codename for Firefox OS, a mobile operating system proposed by Mozilla and built upon its Gecko layout engine Bridge to Grace, an American rock band from Atlanta, Georgia Business-to-government Great Lakes B2G, a US Navy carrier-borne bomber B2Gold, Canadian gold mining company
See also B2B B2C