Alternativas ao FileManager para Software as a Service (SaaS) com licença gratuita

• Software as a Service (SaaS)
  Todas as plataformas Windows Mac Linux Android Web Self-Hosted Software as a Service (SaaS) ASP.NET TinyMCE CKEditor N1ED
• Licença gratuita
  Qualquer licença Licença gratuita Licença Open Source Licença comercial