Andrew+Greene

Audacity is a free audio recording/editing device that is useful for editing sound files for projects:

http://audacity.sourceforge.net/

Microsoft maintains a collection of useful images, GIF's, and swf's for projects:

http://office.microsoft.com/en-us/images/?CTT=97

OpenOffice is a suite of free applications that are comparable and compatible with Microsoft Office.

http://www.openoffice.org/

The following website is a great collection of musical scores that can be used as visual examples:

http://imslp.org/wiki/

This is a really cool application that creates a visual example of a MIDI music file:

http://www.musanim.com/

Pure Data is an amazingly powerful open-source audio programming environment developed by Miller Puckette and several others at IRCAM.

http://puredata.info/

Although it has a rather steep learning curve, there is unlimited potential to what can be created with it.

This website has a list of free music resources:

http://www.seabreezecomputers.com/tips/freemusic.htm