Alternativen zu Ooth für Software as a Service (SaaS) mit Open Source-Lizenz

• Software as a Service (SaaS)
  Alle Plattformen Windows Mac Linux Android iPhone Web Self-Hosted Software as a Service (SaaS) JavaScript Electron / Atom Shell Chrome Ruby Node.JS WebRTC Dart
• Open Source Lizenz
  Beliebige Lizen Freie Lizenz Open Source Lizenz Kommerzielle Lizenz