Based on our record, Give should be more popular than Unlayer. 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.
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
But I'm curious why you need a WooCommerce solution? Why not just use something like GiveWP: https://givewp.com/. Source: about 1 year ago
You also have targeted plugins. My favorite is Give WP. - https://givewp.com/. Source: over 1 year ago
MJML - The open source framework for responsive emails
FreeFunder - Free crowdfunding platform with no platform fee and donates to your fundraiser based on shares!
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.
Charitable - A WordPress donation plugin that gives you full control over your fundraising experience.
BeeFree.io - Bee is MailUp's drag-&-drop editor for responsive design emails.
GiveForms - Your Go-to Digital Fundraising Platform