Alternativer til ForumFiles til Microsoft Office Outlook med gratis licens

• Microsoft Office Outlook
  Alle 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 BSD Windows Mobile Microsoft Office Outlook Raspberry Pi Ubuntu S60 Chrome Debian CentOS Chrome Web Store Cloudron Red Hat
• Gratis licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens