Alternativas ao Telescope - App Reviews para Software as a Service (SaaS) com licença de código aberto

• Software as a Service (SaaS)
  Todas as plataformas Windows Mac Android iPhone Windows Phone iPad Android Tablet Web Software as a Service (SaaS) Slack Trello Google Play Store Zendesk Freshdesk Intercom HelpShift
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial