Alternatif untuk Worldwide Cloud Solutions untuk Self-Hosted dengan lesen sumber terbuka

• Self-Hosted
  Semua platform Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Windows Mobile Microsoft Office Outlook
• Lesen Open Source
  Mana-mana lesen Lesen percuma Lesen Open Source Lesen komersil