Alternatívy programu Casebox pre Microsoft Office Outlook s licenciou s otvoreným zdrojom

• Microsoft Office Outlook
  Všetky platformy 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
• Licencia Open Source
  Akákoľvek licencia Bezplatná licencia Licencia Open Source Obchodná licencia