The most popular open-source choice. It is lightweight, supports FTPS (FTP over TLS), and provides a robust administration interface. Wing FTP Server (Free Edition):
★★★★☆ (4/5) for casual/home use. ★★★☆☆ (3/5) for business/advanced use. optimax ftp server free
: To start or stop the server, you must use the exported OPC UA methods: StartFtpServer and StopFtpServer . Option 2: Optimax Communication Ltd. (Managed Service) The most popular open-source choice
: Optimizing network settings to reduce lag during file transfers. Resource Management supports FTPS (FTP over TLS)
Primarily known as a client, but often recommended for secure transfers (SFTP/SCP). 2. Guide: Setting Up via Windows (IIS)