Install Cairo Dock 3.2.0 in Ubuntu 13.04 Raring/Ubuntu 12.10 Quantal/Ubuntu 12.04 Precise/11.10 Oneiric/11.04 Natty/10.10 Maverick/10.04 Lucid/Linux Mint (New Release)

Cairo-Dock, a fast and customizable desktop interface which can be used as alternative or addition to Unity, Gnome-Shell, Xfce-panel, and KDE-panel, is now at version 3.2.0.
Cairo-Dock sits in the centre of your desktop, allowing you to monitor and control your favourite apps: music players, chat messengers, twitter, torrents downloaders, RSS feeds, calendar/tasks, weather, mail checkers, etc, and a powerful taskbar.
cairo dock

Cairo Dock includes many plugins/applets such as: weather, clock, Messaging Menu, system monitor, keyboard indicators, custom icons, notification area, clipboard manager, and many other plugins.
cairo dock 3.0

What's New in Cairo Dock 3.2?
Main Changes:
  • Multi-screen support has been improved;
  • A couple of new applets have been added, Screenshot and Indicator-Generic;
  • A new plugin called Sound-Effects has been added;
  • Gnome-Shell support has been integrated in this release;
  • GDM support has been added for user switching;
  • Systemd support has been added for the session management;
  • Support for all the Unity indicators has been implemented;
  • Countless bug-fixes and improvements have been added.
Core:
  • Hide dock if active window overlaps: Also hide the dock if the active window doesn't have any icon in the dock (e.g. search box, properties window, etc.)
  • Added the possibility to use a smaller timeout: e.g. avoid a freeze of the dock when using musicPlayer applet and the music player is frozen.
  • When the screen resolution changes, replace the desklets at their correct position
  • Added better support of Gnome-Shell (e.g. to show all windows with the same class, etc.)
Plug-ins:
  • Indicator-Generic: new applet!
  • A plugin to hold all your 'indicators' applets. Simply enable it and it will load all your installed indicators. You can define a blacklist to not load some indicators.
  • It replaces Sync-Menu and Printers-Menu applets
  • Support the new version of Gnome-Menu (libgnome-menu-3.0) if available
  • Improve the compatibility with BSD
Other Changes:
  • All: a few applets (GMail, Xchat, Calendar, etc.) should now support both Python 2 and 3 but it still need more work.
  • Updated to match the latest version of mintmenu (that uses mateapplet instead of gnomeapplet)
  • Supported both old (0.2) and new (0.3) versions (thanks to llaen for his help)
  • Ported it to CDApplet Python interface
  • Pidgin & Xchat: Added an option to demand attention on new message
Complete Changelog here.

To Install Cairo Dock in Ubuntu/Linux Mint (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
That's it
Source: glx-dock.org
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