George Mason University has space available on iTunes U to upload podcasts. They also have a website describing how to acquire space on their iTunes U. Note that GMU defines podcasting as including both audio and video files. To access George Mason’s iTunes U, you will need the iTunes software.

GMU process and access to GMU iTunes U

Download iTunes Software

Audacity® is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems.

http://audacity.sourceforge.net/

Jokosher is a simple and powerful multi-track studio. Jokosher provides a complete application for recording, editing, mixing and exporting audio, and has been specifically designed with usability in mind. The developers behind Jokosher have re-thought audio production at every level, and created something devilishly simple to use.

http://www.jokosher.org

GarageBand for Apple, is a streamlined digital audio workstation (DAW) and music sequencer, which can record and play back multiple tracks of audio. Built in audio filters allow the audio track to be enhanced for recording guitar instruments, etc. The tuning system can also effectively imitate the auto-tune effect when tuned to maximum.

http://www.apple.com/ilife/garageband