Web Address: https://beautifulaudioeditor.appspot.com/

About: "An experimental audio editor.
Copy. Snip. Pan. Record. Flexibly fade volume with envelopes. Apply and move effects (filters, compression, etc.) amongst tracks. And more.
Edit while playing for quick feedback.
Works online or offline.
Create and organize projects in Google Drive. Edit projects anywhere within Chrome or Firefox.
Store projects online or offline (in a local file to load later)."

Web Address: https://gosynth.com/

In their own words: "256 second audio or video soundbytes that you can share anywhere, discover easily, interact with and listen to back-to-back. Free."

Web Address: https://audioboom.com

About: AudioBoom used to be known as Audio Boo.  It offers both free and paid for pod casting hosting services.  As an introduction to pod-casting, it's a great service to dip your toe in the water.