LetterSpace vs EmailOctopus

Self-hosted open-source newsletter platform

A self-hosted newsletter platform for managing subscribers and sending campaigns. Import your list, write your emails, and send — without paying per-subscriber fees to Mailchimp or ConvertKit. Built with TypeScript, includes subscriber management, campaign analytics, and template support. Own your audience data completely.

Email marketing that does more for less

EmailOctopus is an affordable email marketing platform offering campaigns, automations, and landing pages at a fraction of Mailchimp's price. Built because existing tools were too expensive for small businesses. Bootstrapped to over $3M ARR with no investors.