Two Mad Geeks

gLabels is a nifty little GNOME application used to make business cards and labels. gLabels will work with a whole bunch of different labels and paper you can pick up from your local office supply store.

Link: The Daily Ubuntu

Amarok is the music player for Linux and Unix with an intuitive interface. Amarok makes playing the music you love easier than ever before - and looks good doing it.

Link: Amarok

Samba is a set of tools to share files and printers with computers running Windows. It implements the SMB network protocol, which is the heart of Windows networking.

Samba can act as a server for Windows (or Samba) clients: share folders and printers, including PDF pseudo-printers so all the computers in your network may write PDF files, Samba can act as a domain controller in a Windows network (authenticating users, etc.) As well as, do some more complex stuff, such as using a Windows domain controller to authenticate the users of a Linux/UN*X machine.

Link: Community Ubuntu Documentation

Prototype is a JavaScript Framework that aims to ease development of dynamic web applications.

Featuring a unique, easy-to-use toolkit for class-driven development and the nicest Ajax library around, Prototype is quickly becoming the codebase of choice for web application developers everywhere.

Link: Prototype