Pidgin is a graphical, modular instant messaging client capable of using multiple networks at once.
Just one day ago, Unity lens for pidgin released with the ability to search through Pidgin online accounts by typing in Unity Dash, it displays matched online buddies from one’s list.
To install this Unity Lens, add this ppa by executing this command in terminal(for now, support Ubuntu 12.04 & 12.10):
sudo add-apt-repository ppa:scopes-packagers/ppa
Then update and install it by:
sudo apt-get update sudo apt-get install unity-lens-pidgin