FlySight – the most popular GPS logger
FlySight Wiki – a must read for every wingsuit competitor
FlySight config files – set of configuration files was created by Michael Cooper for Wingsuit Performance competitions
FlySight YouTube – YouTube channel explaining how to use FlySight and FlySight Viewer
Winds Aloft – great wind forecast
Windy – interactive wind/weather forecast
FAI IPC-news – latest news of the FAI Parachuting Commission
Learn | Squirrel – a number of articles about skydiving/BASE technique and equipment