Alternativer til Groove til PHP med kommerciel licens

• PHP
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) PHP Windows Mobile Slack Chrome MySQL Community Edition Google Apps Trello PostCenter
• Kommerciel licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens