Improve your Ubuntu Experience

Ubuntu VM : You can have Ubuntu from your windows machine by installing through virtual box.

Unity launcher folders - Easy to organize your browsers, editors, utilities and some more..You can see real Unity feature in Ubuntu experiencing this tool.

System Monitor - Always monitor your system CPU, Memory, Load, Download / upload Speed, Swap, Disk Read / write, File System capacity and more..Small icons can be added in your desktop and you can monitor memory and open your new applications accordingly.

Shutter : It is same as snagIt in windows. Purpose is to capture the selected screenshot. You can capture multiple screenshot and edit the screenshot as well. Open Shutter click 'Selection'. Select the selection area in your computer and Click 'Enter'. The selected image will be in the Shutter session. Powerful screencapture tool with selection, Desktop, Window etc..You can get in Ubuntu Software Center.

FileZilla :  You can use fileZilla for FTP, SFTP and so on in Ubuntu as well. You can get in Ubuntu Software Center.

VLC Media Player: You can play any type of videos and VLC Media player supports very well. You can get in Ubuntu Software Center.

Rhythmbox : It comes default in Ubuntu where you can play your audio songs with the Music section. You can also import and play your song with multiple selection and more options.

Multiple Skype :  Go to your Terminal and type 'skype &' you will get skype window opened. You can login into your skype into multiple accounts at the same time. Download skype from skype.com.

Konsole :  Alternate to Terminal if you bored. You can get in Ubuntu Software Center.

Eclipse :  Very good editor for Java, sql and for many things you can use Eclipse. Great editor. It has syntax Checker, Syntax corrector etc..

Chrome Browser : Download and install Chrome browser. It has bookmark sync with your google account. This is very easy for you to install chrome anywhere and sync with your google account brings your bookmark available. Make sure you signout if you signin bookmark in public computers.

ScreenCast :  Ubuntu wiki link i have attached. Its very nice article about screencast importance and their tool and how to do it with difference ways. Capture your screen in a video with good quality and add your audio for new leaners and for your own reference.In Ubuntu Software Center search for "gtk-recordmydesktop" and install.

a. Click 'Select window' and select your window.
b. Uncheck 'SoundQuality' if you don't want to record audio
c. Click 'Save As' and provide the folder you want to save the file and fileName.
d. Click 'Record' / record in ubuntu desktop icons. recordMyDesktop will start record your video. Click stop in your Ubuntu icons. The file will be saved as .ogv in the selected location with the fileName.

Pitvi (Video Editor) :  Pitvi is a video editor. We can edit the video and combine clips into video and audio and its very good to edit the streaming.

TeaTimeUnity :  From "Ubuntu Software Center" you can install 'Tea Timer' and it will help you giving sound once you tea is ready. The Icon will be added as a shortcut to your desktop widget.

This tool you can use to track your task and it will remind you upon timer completion.

To install Tea Time, add the PPA repository ppa:rojtberg/ppa and install it from the repository using the package name teatime-unity.

Some Useful Commands in Ubuntu

Add ppa into Ubuntu
sudo add-apt-repository ppa:foo/foobar

sudo apt-get update

Install after adding into ppa repository
sudo apt-get install foo  

Remove ppa include downgrading installed packages

Install ppa-purge:

sudo apt-get install ppa-purge

Then purge any ppa via:
sudo ppa-purge ppa:someppa/ppa