Alternativ till Bugify för Software as a Service (SaaS) med öppen källkodslicens

• Software as a Service (SaaS)
  Alla plattformar Windows Mac Linux Android iPhone Windows Phone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Safari Chrome Redmine
• Open Source-licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens