Podcasting Audacity (software download - best for PC use). Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. Record live audio, record computer playback on any Windows Vista or later machine, convert tapes and records into digital recordings or CDs, edit WAV, AIFF, FLAC, MP2, MP3, cut, copy, splice or mix sounds together; numerous effects including change the speed or pitch of a recording.
Podcasting audioBoom (web, iOS, Android) Users can upload an unlimited number of audio recordings of up to 10 minutes in length, or record audio directly from the website or mobile app. Once a file is uploaded, you can give it a title, write a description, and attach an image, all of which will appear with the “post” on your profile page. A teacher could have their own profile, where announcements or even lessons could appear in audio form. Students could create podcast series around a single theme, showcase and discuss a collection of visual art, or document an ongoing project.