Alternativas ao FTPSync.pl para PHP com licença comercial

• PHP
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox PHP JavaScript BSD Raspberry Pi Chrome Cloudron Flowinity Motti.NET (Programming Language)
• Licença comercial
  Qualquer licença Licença gratuita Licença Open Source Licença comercial