NEW 2026.10 RELEASE 45 Commercial SaaS Tools mapped to 71 Self-Hosted & Local AI Alternatives with instant Caddy Auto-SSL Docker configs.
OPEN-SOURCE MIGRATION BENCHMARK License: AGPL-3.0 ★ 15.9k GitHub Stars

Replace Mailchimp / ConvertKit with Self-Hosted Listmonk

High-performance self-hosted newsletter and mailing list manager written in Go (single binary + Postgres) Stop paying Standard 15k Contacts ($135/mo) ($135/mo for a 10-person team) and run Listmonk on a $4.50/mo Linux VPS with full data sovereignty.

10-Seat Annual Savings
+$1,566 / yr
vs Mailchimp / ConvertKit standard plan
Container RAM & vCPU
256 MB RAM
0.5 vCPU • Migration: Very Easy (CSV subscriber import)
Recommended Cloud Box
$4.50/mo VPS
Hetzner CX22 (4GB RAM / 2 vCPU)

1-to-100 Seat Total Cost of Ownership (TCO) Table

Comparing Mailchimp / ConvertKit (Standard 15k Contacts ($135/mo)) vs Listmonk on Hetzner CX22 (4GB RAM / 2 vCPU).

Team Size Mailchimp / ConvertKit Cost Listmonk VPS Net Annual Savings
1 Seat (Solo) $135.00/mo ($1,620/yr) $4.50/mo (CX22) +$1,566 / year
5 Seats $135.00/mo ($1,620/yr) $4.50/mo (CX22) +$1,566 / year
10 Seats $135.00/mo ($1,620/yr) $4.50/mo (CX22) +$1,566 / year
25 Seats $135.00/mo ($1,620/yr) $4.50/mo (CX22) +$1,566 / year
50 Seats $135.00/mo ($1,620/yr) $4.50/mo (CX22) +$1,566 / year
100 Seats $135.00/mo ($1,620/yr) $4.50/mo (CX22) +$1,566 / year

Production Docker Compose + Caddy Auto-SSL

Copy and run docker compose up -d on any Ubuntu 24.04 server.

Open in Multi-Tool Builder →
# Production Docker Compose: Listmonk (Replaces Mailchimp / ConvertKit)
services:
  caddy:
    image: caddy:2-alpine
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile:ro
      - caddy_data:/data
    networks:
      - stack_net

  listmonk:
    image: listmonk/listmonk:latest
    container_name: stack-listmonk
    restart: unless-stopped
    environment:
      - "LISTMONK_app__address=0.0.0.0:9000"
      - "LISTMONK_db__host=postgres"
      - "LISTMONK_db__port=5432"
      - "LISTMONK_db__user=postgres"
      - "LISTMONK_db__password=${POSTGRES_PASSWORD:-strongpassword}"
      - "LISTMONK_db__database=listmonk"
    volumes:
      - listmonk_data:/data
    networks:
      - stack_net

  postgres:
    image: pgvector/pgvector:pg16
    container_name: stack-postgres
    restart: unless-stopped
    environment:
      - "POSTGRES_USER=postgres"
      - "POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-strongpassword}"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - stack_net

networks:
  stack_net:
    driver: bridge

volumes:
  caddy_data:
  listmonk_data:
  postgres_data:
Caddyfile (Automatic HTTPS Reverse Proxy):
# Automatic Let's Encrypt HTTPS for Listmonk
listmonk.{$DOMAIN:yourdomain.com} {
  encode zstd gzip
  reverse_proxy listmonk:9000
}

Why Teams Switch to Listmonk

  • ✓Send 100,000 emails for $10 via AWS SES or Resend
  • ✓Uses <150MB RAM even with 1M subscribers
  • ✓SQL-powered subscriber segmentation
GitHub Repository knadh/listmonk
Official Website listmonk.app
Docker Image listmonk/listmonk:latest
Database Needed PostgreSQL 16
PRODUCTION BOILERPLATE ZIP

Get All 16 Pre-Built Production Stacks + Encrypted S3 Backups

Includes pre-tuned docker-compose.yml, Caddy Auto-SSL, AES-256 encrypted nightly S3/R2 Postgres backups, and Ubuntu 24.04 UFW/Fail2ban hardening scripts.

Other Open-Source Alternatives to Mailchimp / ConvertKit: