Minitube
Minitube is an application designed to be a native YouTube client for GNU/Linux platforms. Minitube does not require Adobe Flash Player plugin and its graphical user interface (GUI) has been written in the universal and cross-platform Qt GUI toolkit. Minitube is a multi-platform application that supports Linux, Microsoft Windows and Mac OS X operating systems and a range of open source desktop environments like GNOME, KDE, LXDE, Xfce and Unity. Minitube is an application for watching YouTube videos from the comfort of Linux desktop without opening a web browser and not cloning original YouTube web interface.