Alternatívy programu Plumm pre Slack s licenciou zadarmo

• Slack
  Všetky platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Safari Oculus Rift HTC Vive JavaScript BSD Haiku PortableApps.com Java Slack Electron / Atom Shell F-Droid Chrome Ruby Gmail Unity Cloudron Go (Programming Language) Microsoft SharePoint PureOS (Purism)
• Bezplatná licencia
  Akákoľvek licencia Bezplatná licencia Licencia Open Source Obchodná licencia