Alternativer til Groove til Linux med open source-licens

• Linux
  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
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens