- http://www.android.com/
- http://na.blackberry.com/eng/services/devices/
- http://www.apple.com/ca/iphone/
- http://www.s60.com/life
- http://www.microsoft.com/windowsmobile/en-us/default.mspx
Operating systems that can be found on smartphones include Symbian OS, iOS, RIM's BlackBerry OS, Windows Phone, Linux, Android and Palm webOS. Android and WebOS are in turn built on Linux, and iOS is derived from the BSD and NeXTSTEP operating systems, which are all related to Unix.