Based on our record, Mailtrain should be more popular than Formstack. It has been mentiond 2 times since March 2021. 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.
Listmonk is fantastic -- I use it for the newsletter of my own blog and am amazed by how simple it was to set up and how easy it is to operate and use every time I send out a newsletter. Prior to Listmonk I used Mailtrain[0] and like Listmonk so much I want to run it as a service (with 30% donated back to the Listmonk project of course) -- deliverability worries and initial setup aside it's just the kind of... - Source: Hacker News / over 2 years ago
Never tried but have a look at Mosaico and GrapesJS. Both are open-sourced and used by Mailtrain. Source: about 3 years ago
Tired of paying $50 monthly for form mail on your website from https://formstack.com. Source: almost 3 years ago
Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
Google Forms - Simple web forms from Google.