Download following software

$ sudo apt-get install leafpad
$ sudo apt-get install gksu
$ sudo apt-get install Lxkeymap
$ sudo apt-get install inxi

GParted is helpful software especially using via installing devices (CD, DVD, USB memory):

$ sudo apt-get install gparted

Add getdeb repository:

wget -q -O - http://archive.getdeb.net/getdeb-archive.key | sudo apt-key add -
sudo sh -c 'echo "deb http://archive.getdeb.net/ubuntu wily-getdeb apps" >> /etc/apt/sources.list.d/getdeb.list'

Installing Wine 1.8:

sudo add-apt-repository ppa:ubuntu-wine/ppa
sudo apt-get update
sudo apt-get install wine1.8 winetricks
sudo dpkg --add-architecture i386
sudo add-apt-repository ppa:wine/wine-builds
sudo apt-get update
sudo apt-get install --install-recommends winehq-devel

Shutter is the capable screenshot software for Ubuntu

sudo add-apt-repository -y ppa:shutter/ppa
sudo apt-get update
sudo apt-get install shutter