hellanzb is a Python application designed for *nix environments that retrieves nzb files and fully processes them. The goal being to make getting files from Usenet (e.g.: Giganews Newsgroups) as hands-free as possible. Once fully installed, all thats required is moving an nzb file to the queue directory. The rest; fetching, par-checking, un-raring, etc. is taken care of by hellanzb.
Gaim is a multi-protocol instant messaging (IM) client for Linux, BSD, MacOS X, and Windows. It is compatible with AIM and ICQ (Oscar protocol), MSN Messenger, Yahoo!, IRC, Jabber, Gadu-Gadu, SILC, Novell GroupWise Messenger, Lotus Sametime, and Zephyr networks.
There are several programs fulfilling the same or similar functions to be installed on a single system at the same time. For example, many systems have several text editors or different web browsers installed,Multimedia players,graphics editors at once.
If you want to select your preferred applications for Web browser,Mail reader and terminal emulator you can select very easily from gnome preferred application option.
We have already discussed how to upgrade ubuntu dapper to edgyeft and some people are complaing after upgrade they had problems related to x server and update problems.I have collected some of the common problems and their solutions from ubuntu forums.

