Alternativa PlanPlusOnlineu za Self-Hosted z licenco odprtokodnega vira

• Self-Hosted
  Vse platforme Windows Mac Linux Android iPhone iPad Web Self-Hosted Software as a Service (SaaS) Windows Mobile Microsoft Office Outlook Chrome Microsoft Office Suite
• Open Source licenca
  Vsako dovoljenje Brezplačna licenca Open Source licenca Trgovsko dovoljenje