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Google Summer Of Code 2013

Information about this year's event

March 18 19:00 UTC Mentoring organizations can begin submitting applications to Google
March 29 19:00 UTC Mentoring organization application deadline

As Chromebooks are a kind “Thin Client” “look-alikes”, it would be a good idea to be able to access Linux machines via X2Go.
As it is only possible to install applications on chromeOS (running on an original chromebook) via the Googles webstore of Google Chrome, X2Go Client needs to packaged for Googles webstore. Preferences and maybe session files should be altered and committed, so that users can sync them with their Google account.

It's difficult for the X2Go Project to offer clients on a number of mobile devices lacking an X.Org server and with rules that make it very difficult to submit GPL'ed software to their ecosystems.
An HTML5 Client could help to build native apps and render sessions on a HTML5 Canvas
In the first step, it would be possible to use existing vnc↔canvas proxies like noVNC or Guacamole.

With Ubuntu 12.10, Canonical has dropped Unity-2d support
Starting with Ubuntu 12.10, Unity requires a modern Xserver with GLX v8 included
The weakness of X2Go definitely is the NX Xserver used for display server session on the client
This coding project would be a start to gradually update the Xserver extensions shipped with NX

Status quo: for several desktop the X2Go project offers a desktop integration (=binding) package
One that can be used as a template and reference is the package: plasma-widget-x2go. It provides a Plasma widget that can dock into KDE4's panel and this widget then gives you control over your X2Go session
Unfortunately, the Plasma X2Go widget is for KDE4 only and of no use to users GNOME, Unity, XFCE, etc.
The idea: create a desktop independent applet that docks into the systems systray (or into the appindicator area). This applet then gives you control over your X2Go session from inside the X2Go session: unmount client-side folder, manage print job, suspend X2Go session, grant permission for desktop sharing, etc.
Please use the tools plasma-widget-x2go and x2godesktopsharing as reference and as a start point (yes, the development should be in Qt4)