
If you haven’t heard Linspire has partnered with Canonical and have just released CNR (Linspire’s default package manager) for Ubuntu. Linspire and Freespire are based on Ubuntu. This is in beta stage at the time of posting, so don’t be surprised if you find bugs.
Open a terminal and type the following command to open sources.list in a text editor:
sudo gedit /etc/apt/sources.list
In sources.list, search for the following lines (the address might differ) and uncomment them (remove the ‘#’ at the begging):
deb http://us.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse
EDIT: And then, just download the client from the CNR site. Thanks to Peter for the tip.
You can then run CNR by going to Applications -> System Tools -> CNR.
Loading screen:

CNR Web site (This is loaded as the client):

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The Problem:
As big as Ubuntu is, I am really surprised there is no firewall included by default. Yes, I know that the functionality is built into the kernel, but do you think half of these newbs running Ubuntu know about iptables?
The Solution:
Guarddog is a GUI Linux iptables/ipchains configuration utility. This is going to save you from having to spend hours of reading about Linux firewall setup and setting up rc scripts, etc.
sudo apt-get install guarddog
Now you have a menu item under Applications -> Internet -> Guarddog. It is pretty much useless unless you are running as a superuser, so run
sudo guarddog
You should get a prompt about not having a rc.firewall, click ok.
Guarddog’s philosophy is to block if not allowed, just like any firewall. Keep this in mind if you go to try to play AssaultCube and it won’t connect.
Security products and software are essential to
protect your computer. With a strong firewall, neither a hacker nor
barcode readers will be able to access your
code. Programming a firewall isn’t that difficult, and once you do create one, not even
symbol scanners will be able to break through.

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From the site:
Money Manager Ex© is a free, open-source, cross-platform, easy-to-use personal finance software. It primarily helps organize one’s finances and keeps track of where, when and how the money goes. It is also a great tool to get a bird’s eye view of your financial worth.
Money Manager includes all the basic features that 90% of users would want to see in a personal finance application. The design goals are to concentrate on simplicity and user-friendliness - something one can use everyday.
Money Manager Ex is a complete rewrite of the original Money Manager .NET.
It can run on Windows and linux currently and a port to other platforms can be made if required.
NOTE: There is a windows download, but it is currently in an experimental state.
See the screenshots.
Download it.