Icons made by Google from www.flaticon.com
Icons made by Gregor Cresnar from www.flaticon.com
Icons made by Smashicons from www.flaticon.com
Icons made by Chanut from www.flaticon.com
Icons made by Freepik from www.flaticon.com
Icons made by Kiranshastry from www.flaticon.com
Icons made by Good Ware from www.flaticon.com
Icons made by surang from www.flaticon.com
Datamatrix image processing derived from libdmtx.
Mobile camera processing derived from the ZXing Project.
Geographical distance calculation provided by GeoDataSource.