Red Eclipse is a cross-platform, open source first-person shooter game that supports both single (against bots) and multi-player modes. The game runs on the Cube Engine 2 and it's very flexible, allowing players to extend the existing game modes (Deathmatch, Capture the Flag, etc.) with "mutators", changing how the game is played.
Cairo Dock (Glx Dock) is a launcher / task manager that comes with a huge list of applets and configuration options.
It can be used with any desktop environment / shell, so it works with GNOME Shell, Unity, Xfce, KDE and so on. There's also a stand-alone Cairo Dock session - select "Cairo Dock" from the login menu to use it.
In a recent Ubuntu technical board meeting, it was decided to:
Unity Tweak Tool is a relatively new application that allows you to configure Unity, providing access to settings buried deep in Dconf-Tools or CCSM.
ownCloud is a free software alternative to proprietary web services such a Dropbox, Google Calendar and more. You can install it on your computer or web server and access (and share) your files from any OS, since ownCloud comes with desktop clients for Windows, Mac OSX and Linux as well as mobile clients for Android and iOS.
Quick update: now that Ubuntu GNOME is an official Ubuntu flavour, it can make use of the Ubuntu infrastructure, and the first daily builds are now available for download:
The default GNOME icon theme isn't very popular among GNOME users, mainly because of the default folder icons, which many label as ugly (here's an example). However, with GNOME 3.8, the folder icons will use a different color which attempts to fix this, but is it enough?
Pidgin OpenSteamWorks is a plugin that allows you to chat with your Steam friends from Pidgin.
Why use it? Well, if you're both a Steam and Pidgin user, you may find it more convenient to chat with your Steam friends from Pidgin, without having to open Steam, especially since the Steam Linux client is very resource hungry.
Intel has released a tool that allows Linux users to easily install the latest graphics drivers to ensure the best user experience with Intel graphics hardware.