Audacity is free software for recording and editing aduio. It works on both Mac and PC.

Use it to:
  • record live audio
  • edit many different types of audio files
  • cut, copy, splice or mix sounds together
  • record podcasts

Download it here.

Audacity tutorials are here.
Audacity wiki homepage is here. It has lots of tutorials and tips.

If you want to save files as MP3 files, you need the LAME MP3 Encoder. It's a little extra piece of software you must download & install once to be able to create MP3 files with Audacity.

A short tutorial on Audacity basics.

10 Great ways to use Audacity with your Students