Vocaroo - Vocaroo is a quick and easy way to share voice messages over the interwebs.
AudioNotes - Easily record and share audio messages from your Mac menubar
Clyp - Clyp is the easiest way to record, upload and share audio. No account required.
Yac - Take your time back from Zoom & Slack
Audioboom - Host, distribute and monetize your podcast with Audioboom.
Recordify - Quickly send audio messages to Slack!