FLAC stands for Free Lossless Audio Codec. Grossly oversimplified, FLAC is similar to MP3, but lossless. The FLAC project consists of:

QEMU is a fast processor emulator: currently the package supports PowerPC emulation. By using dynamic translation it achieves reasonable speed while being easy to port on new host CPUs.

Sugar Learning Platform promotes collaborative learning through Sugar Activities that encourage critical thinking, the heart of a quality education. Designed from the ground up especially for children, Sugar offers an alternative to traditional “office-desktop” software.

netifaces provides a (hopefully portable-ish) way for Python programmers to get access to a list of the network interfaces on the local machine, and to obtain the addresses of those network interfaces.

PyQt5 exposes the Qt5 GUI toolkit in Python.