Web Apps & SaaS ToolsMedium system

Email Newsletter & Campaign Tool

A self-hosted email tool for managing subscriber lists, composing campaigns, and tracking opens and clicks — escaping per-subscriber SaaS pricing. For publishers and businesses with large lists and simple sending needs.

Typically bought by: Newsletter publishers, e-commerce brands, associations with large mailing lists

Standard features

Always included in the base price. Every one is built, tested and delivered working.

Subscriber management with tags and segments
Signup forms and embeddable widgets with double opt-in
Drag-and-drop or Markdown email composer with templates
Campaign scheduling and send throttling
Open and click tracking with per-campaign reports
Automated sequences (welcome series, drip campaigns)
Unsubscribe and preference center (compliance built in)
Bounce and complaint handling with automatic list hygiene
List import/export via CSV
A/B subject line testing
Suppression lists and GDPR data deletion
Team roles for editors and admins

Popular custom additions

Quoted per feature in the configurator — $50 simple, $150 moderate, $300 complex.

Paid newsletter subscriptions with gated archive
RSS-to-email automatic digests
E-commerce triggers (abandoned cart, post-purchase)
Referral program for subscribers
Custom liquid-style personalization variables
Web archive of past issues with SEO

Tech stack

Frontend: Next.js + Tailwind CSS
Backend: Node.js with background job queue for sends
Database: PostgreSQL (Neon) + Redis for queues
Integrations: Email sending API (Amazon SES/Resend/SendGrid), Payment gateway (Stripe/PayPal/other) for paid newsletters, Analytics (GA4/Plausible)