Alternativa PlanPlusOnlineu za Software as a Service (SaaS) z licenco odprtokodnega vira

• Software as a Service (SaaS)
  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