Unlayer might be a bit more popular than MoonMail. We know about 1 link to it since March 2021 and only 1 link to MoonMail. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Moonmail is a pretty awesome emailing service used by companies like Nespresso, Amazon, Circle, and many more. They switched from using a traditional approach to servers, from using RoR on EC2 to serverless and it's best explained in a case study by Carlos Castellanos where he details the journey from EC2 to AWS Lambda. - Source: dev.to / over 2 years ago
Before that we had some luck using RazorLight, but we did all email templates in an editor Unlayer, exported the html and made a layout and view files. Source: about 1 year ago
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
MJML - The open source framework for responsive emails
EmailOctopus - Email marketing for less, via Amazon SES
Stripo - Stripo is an all-in-one email design platform. We enable our clients to build emails of any complexity, including interactive AMP emails, really fast and easy.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
BeeFree.io - Bee is MailUp's drag-&-drop editor for responsive design emails.