gtkvncviewer software package provides Small GNOME VNC client, 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 gtkvncviewer
gtkvncviewer is installed in your system.
Make ensure the gtkvncviewer package were installed using the commands given below,
$ sudo dpkg-query -l | grep gtkvncviewer *
You will get with gtkvncviewer package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Utilities |
| Package | gtkvncviewer |
| Version | 0.4-2.2 |
| Description | Small GNOME VNC client |
| Sub Section | Utils |