The AptURL Protocol Handler and a Web browser support are required to install applications. The AptURL Protocol Handler is a program that handles special URLs to installing software on APT-based Linux systems. Ubuntu 7.10 or higher can use AptURL by default.
The page is divided into the following categories, Internet, P2P, Games, Media Player, Graphics, Office, Editor, Development, Desktop Tools, System Tools, Utilities, Emulator, Accessibility, Education, Additionals, codecs, Firefox Add-ons, GNOME, KDE, XFCE. It also has a search engine to help us find what we need.
You need to install apturl to use the service of this site
sudo apt-get install apturl
Download apturl: here