From LQWiki

Network Neighborhood is the Microsoft Windows name for a way/method to browse the Local Area Network. Network Neightborhood has now become My Network Places in Windows XP. The function remains the same.

KDE Equivalent

in Konqueror (the File Manager / Web Browser used in KDE ) type:

   lan://localhost

also:

   fish://

and you should see a list of computers that your computers sees.

It isn't set up by default most of the time... so you will need to start the service Lisa. KDE has a kcontrol part for setting up lisa, so it shouldn't be too hard to set up. You will need root access !

Gnome Equivalent

In Nautilus type

  smb:// 

to the address bar and your workgroup should pop-up.

This article is a stub and needs to be finished. Plunge forward and help it grow!