Substack
Substack focuses on publishing articles through newsletters and a site.
What it does
Substack publishes writing as web posts and subscriber emails.
When to use it
For a weekly column, test the topic with a concise first issue.
Visit Substack official site
beehiiv
beehiiv focuses on newsletter editing, subscriptions, and analytics.
Buttondown
Buttondown focuses on writing and sending newsletters.
Ghost
Ghost focuses on running a blog and member newsletter.