MailChimp - MailChimp is the best way to design, send, and share email newsletters.
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.
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.
Checkout Page - Sell on your site with customizable checkouts. Tailor-made one page checkouts to sell digital products & services without an ecommerce store.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
CartHero - Recover abandoned checkouts with SMS, discounts, and customer service