SkyLines is described as 'web platform where pilots can share their flights with others after, or even during flight via live tracking. SkyLines is a sort of social network for pilots including rankings, statistics and other interesting features' and is an website in the Travel & Location category. There are three alternatives to SkyLines, not only websites but also apps for a variety of platforms, including Android, iPad, iPhone and Steam. The best alternative is e-Logbook, which is free. Other great sites and apps similar to SkyLines are Tacview (Freemium) and LogbookMe (Free).
LogbookMe is an intelligent cloud based platform that logs your trips automatically using GPS and vehicle data. Less work and no fuss logbook solution. Introductory video on Vimeo: https://vimeo.com/169793393