Alternativas ao ChangeDetect para Software as a Service (SaaS) com licença comercial

• Software as a Service (SaaS)
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Windows Mobile Chrome
• Licença comercial
  Qualquer licença Licença gratuita Licença Open Source Licença comercial