Are you feel bored with Ubuntu Software Center ?, If yes there is an alternative for Ubuntu Software Center. Its called AppGrid.
AppGrid is an alternative just like Ubuntu Software Center, AppGrid is the lightweight version for the Software Center that can make application discovery easier by using grid view which shows the screenshot and ratings.
AppGrid is written from scratch so it can gives you fast startup speed, also it has clean and simple design that can make your eyes comfortable.
How to Install AppGrid on Ubuntu
To install AppGrid, open your terminal and execute following commands:
$ sudo apd-apt-repository -y ppa:appgrid/stable
$ sudo apt-get update
$ sudo apt-get install appgrid
Once installed, check your new Software Center on your Unity Dash :).