Patreon - Patreon enables fans to give ongoing support to their favorite creators.
Patreon Developer - Funding the arts across the web with Patreon's new API
Level Music - A new platform for independent artists, everywhere. In beta.
Drip by Kickstarter - A new way to back creators. A Patreon competitor.
Apple - Available on iOS
Open Collective - Recurring funding for groups.