Alternatívy programu PlanPlusOnline pre Software as a Service (SaaS) s licenciou s otvoreným zdrojom

• Software as a Service (SaaS)
  Všetky platformy Windows Mac Linux Android iPhone iPad Web Self-Hosted Software as a Service (SaaS) Windows Mobile Microsoft Office Outlook Chrome Microsoft Office Suite
• Licencia Open Source
  Akákoľvek licencia Bezplatná licencia Licencia Open Source Obchodná licencia