What are some alternatives?
When comparing SharedMic and Podfan, you can also consider the following products
RecoonFM - Take your podcast from good to binge worthy good
Patreon - Patreon enables fans to give ongoing support to their favorite creators.
Level Music - A new platform for independent artists, everywhere. In beta.
Flattr - Help the open and free web flourish. Support creators by paying for their free content.