deborphan software package provides program that can find unused packages, e.g. libraries, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install deborphan
deborphan is installed in your system.
Make ensure the deborphan package were installed using the commands given below,
$ sudo dpkg-query -l | grep deborphan *
You will get with deborphan package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Administration Utilities |
| Package | deborphan |
| Version | 1.7.28.8 |
| Description | program that can find unused packages, e.g. libraries |
| Sub Section | Admin |