MailChimp - MailChimp is the best way to design, send, and share email newsletters.
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
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.
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.