Alternativ till Groove för Self-Hosted med öppen källkodslicens

• Self-Hosted
  Alla plattformar 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
• Open Source-licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens