Alternativ till Trakerr.IO för Software as a Service (SaaS) med kommersiell licens

• Software as a Service (SaaS)
  Alla plattformar Windows Mac Linux Android iPhone Android Tablet Web Self-Hosted Software as a Service (SaaS) Ruby on Rails
• Kommersiell licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens