Visual comparison of Canonical’s Ubuntu Touch with Android, iOS.
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Ubuntu Touch (also known as Ubuntu Phone) is a mobile version of the Ubuntu operating system developed by Canonical Ltd. and the Ubuntu community. It is designed primarily for touchscreen mobile devices such as smartphones and tablet computers.
Ubuntu Touch uses the Qt 5-based touch user interface and various software frameworks originally developed for Maemo and MeeGo such as oFono as telephony stack, accounts-sso for single sign-on, and Maliit for input. Using libhybris the system can often be used with Linux kernels used in Android, which makes it easily ported to most recent Android smartphones. Libertine is Ubuntu’s project to run traditional desktop X applications.