Alternativa Caseboxu za Microsoft Office Outlook z licenco odprtokodnega vira

• Microsoft Office Outlook
  Vse platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Windows Mobile Xfce Microsoft Office Outlook Raspberry Pi S60 Chrome HP webOS Google Drive Dropbox Cloudron Box.com MobileMe
• Open Source licenca
  Vsako dovoljenje Brezplačna licenca Open Source licenca Trgovsko dovoljenje