Alternativa Betasendu za Software as a Service (SaaS) sa licencom otvorenog koda

• Software as a Service (SaaS)
  Sve platforme Windows Linux Android iPhone Apple Watch iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) Wordpress Microsoft Office Outlook iOS Amazon SES (Simple Email Service) Microsoft Exchange Server
• Licenca otvorenog koda
  Bilo koja licenca Besplatna licenca Licenca otvorenog koda Komercijalna licenca