e-Logbook - Free online GPS / IGC track viewer with flight analysis features.
LogbookMe - LogbookMe is an intelligent cloud based platform that logs your trips automatically using GPS and vehicle data.
Tacview - The Universal Flight Data Analysis Tool.
VisuGPS - VisuGPS displays your GPS track on top of Google Maps.
SkyLines - Internet platform for flight sharing: Flight Database; Live Tracking; Flight Analysis; Task Planning; Competitions; Achievements; Social Network.
XCSoar - Open-source tactical glide computer for gliders, paragliders, hang gliders and more.