MJML
7.6#2 in email design softwareFree planFree planWebAPIExtensionLinux
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| Fact | MJML | Postcards |
|---|---|---|
| Founded | 2015 | 2010 |
| Integrations | The documented ecosystem includes Mailjet, Parcel, IntelliJ IDEA, Gradle, Neos CMS, and Easy-email. | The pricing page lists integrations including Mailchimp, HubSpot, Klaviyo, SendGrid, Brevo, Constant Contact, Zoho, and others. |
MJML suits developers who prefer a code-first way to create responsive email HTML and want to use reusable components. It is less suited to users expecting the markup tool itself to send rendered emails.
Postcards suits people creating responsive marketing emails from templates or reusable blocks, as well as teams that need shared editing. The free plan offers limited projects and exports; paid plans add HTML import and email client previews.