Guides / Email templates, QA testing & CMS plugins

Research: Templates, QA, CMS/Newsletters, Design

Source: parallel research agent (2026-09-17). Directional pricing; verify on vendor pages.

See also InstantNewsletter directory categories:

  • template_tool, qa_testing, newsletter_platform, cms_plugin, design_distribution

Ghost vs Substack (summary)

SubstackGhost
ModelHosted network; ~10% paid revenue shareOwn-brand CMS; Ghost(Pro) or self-host
Best whenFastest paid audience + discoveryOwned site, members, newsletter under one product
OpsNear-zero infraManaged Pro or self-host + Mailgun/SMTP

Stack pairing

Build: Stripo / Unlayer / MJML / Beefree → QA: Litmus or Email on Acid → Publish: Substack / Ghost / Beehiiv / WP+MailPoet

Continue in the email newsletter software directory or the Newsletter Info Blog.