Patreon - Patreon enables fans to give ongoing support to their favorite creators.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Podfan - A membership platform for podcasts
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Spotify Artists - Spotify's site for artists
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.