Vagalume is a GTK+-based Last.fm client. Although it works in standard PCs, it is specially designed to work in the Maemo platform, the one used by some Nokia devices such as the 770, N800 and N810.
Quod Libet is a GTK+-based audio player written in Python. It's designed around the idea that you know how to organize your music better than we do. It lets you make playlists based on regular expressions (don't worry, regular searches work too). It le...