Alternativas ao MailerWizz para Self-Hosted com licença gratuita

• Self-Hosted
  Todas as plataformas Windows Mac Linux Android iPhone Apple Watch iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) Python BSD Solaris Amazon SES (Simple Email Service)
• Licença gratuita
  Qualquer licença Licença gratuita Licença Open Source Licença comercial