You can view a list of installed applications using the terminal - this works in Ubuntu 14.04 & Mint 16. Open a terminal and type:
If you want to export the output to a file:
dpkg --get-selections > /home/[user]/Documents/app_list.txt
Change [user] to suit your circumstances.
This will place a text file in your Documents folder called, app_list.txt. Double click to open from your file manager.
Sources & References: