Good software to explore Art with Technology

All software is open-source cross-platform. Only Windows files and installation details are given. Anybody up for writing up for Mac/Linux?

Importance	Software or Filename	URL	Comments
crucial	Pd-0.38.4-extended-RC6.exe (called Pd for short)	http://at.or.at/hans/pd/installers.html	graphic programming language specializing in sound. Important: after installation double-click C:\Program Files\pd\pd-settings.reg and replace comport.dll in c:\Program File\pd\extra with this file
very high	audacity 1.2.4b	http://audacity.sourceforge.net/download/windows	multitrack audio editor
medium	VST enabler	http://audacity.sourceforge.net/download/windows	enable ability to install external fancy editing operations for Audacity
high	LAME	http://audacity.sourceforge.net/help/faq?s=install&item=lame-mp3	mp3 encode/decode for Audacity
low	svmlight	http://svmlight.joachims.org/	machine learning "easy"
very high	Python 2.4.2	http://www.python.org/2.4.2/	great scripting language
very high	pywin32	http://sourceforge.net/project/showfiles.php?group_id=78018	Win32 extensions for Python (needed to read/write from Serial port).
very high	pySerial, pyParallel	http://sourceforge.net/project/showfiles.php?group_id=4648	read and write to serial and parallel ports from Python
low	wxPython	http://www.wxpython.org/download.php#binaries	make pretty Windows in Python. Install the docs as well as the binary(ANSI)
low	pyGame	http://www.pygame.org/download.shtml	nice real-time stuff for Python
low	matplotlib	http://sourceforge.net/project/showfiles.php?group_id=80706&package_id=82474&release_id=371444	plotting and matrix manipulations for Python
low	iPython	http://ipython.scipy.org/dist/	nice environment for Python
low	ctypes	http://sourceforge.net/project/showfiles.php?group_id=71702&package_id=71318&release_id=313813	add color to iPython step 1
low	readline	http://sourceforge.net/project/showfiles.php?group_id=82407&package_id=84552	add color to iPython step 2
crucial	Logochip	http://www.wellesley.edu/Physics/Rberg/logochip/distribution/	program Logochip. This must be installed into a directory, then click onLogochip.jar in that directory to execute
crucial (if you need it)	JAVA Runtime Environment (JRE)	http://java.sun.com/j2se/1.4.2/download.html (to be able to execute the LogoChip.jar file)	if Logochip.jar doesn't automatically execute, install this.
low	Crimson Editor	http://www.crimsoneditor.com/	some sort of decent text editor is a must. Notepad works, but something like Crimson Editor is nicer.

Audacity 1.3.0 beta .deb binary for ubuntu Dapper