Audacity is a free, cross-platform audio recording and editing software.
Note: SMDC computers currently have version 3.3.3 installed. If you will be using Audacity on both SMDC computers and your own, we recommend installing 3.3.3 on your own computer. Audacity project file types have changed to .aup3 and projects created with older versions (.aup and data folder) will not transfer well between computers.
Garageband is a Mac only, free audio recording and editing software. It is different from Audacity in that it is more centered around creating music with free loops and software instruments built-in. However, it can be used for creating podcasts, and audio essays as well.