Maildun

Maildun is positioned as an open source email marketing product built for Mac. Based solely on the observed website content, it appears to be a native macOS application for creating, managing, or sending email campaigns, likely aimed at users who want local control or avoid traditional SaaS email platforms. Revenue, growth, customer counts, and Product Hunt rank are not publicly disclosed. The open-source, Mac-only focus is unusual in a market dominated by web SaaS such as Mailchimp, SendGrid, ConvertKit, and Brevo. The major unknown is whether Maildun is a desktop GUI for Amazon SES/SMTP, a full self-hosted email marketing system, or an early-stage product with limited traction. Its positioning is clear enough as a privacy- or developer-friendly alternative, but the observed landing page is extremely thin and provides no pricing, features, social proof, integration details, or conversion path.