Standard (registered user) licensing features:

• Fast multiple threaded connection options 
• Download acceleration (Multi-part downloads as of ver 1.2a) 
• File Synchronization 
• Thumbnail image viewing 
• Connect Manager for connecting to high traffic sites 
• Ability to customize screen setup 
• Recursive chmod/timestamp, and other advanced options 
• Splash screen delay removed 
• Email support and upgrades 

    
PRO licensing additional features:

• Zip compression / decompression - zip up your files on the fly before transfer 
• Scheduling of transfers and templates - for web page updating or backup to ftp servers 
• Encryption - decryption of files for extra security 
• Auto uploading of files 
• Connect:Enterprise support 
• GXS ICS support 
• IBM Information Exchange (IE) support 
• Tumbleweed / SecureTransport support 
• Templates for common or repetitive tasks 
• Additional utilities including Ping & TraceRoute 
• External program execution (for AV, etc) 
• Email notification of transfer status 
• No splash screen for command line tasks 
• Discounts on future products and upgrades 
• Top priority support! 
   

Core FTP Server currently comes in four versions, Basic, Standard, Business, and Enterprise:

Basic:  10 users / 1 domain

Standard:  50 users / 2 domains

Business:  250 users / 10 domains, and ODBC support

Enterprise:  Unlimited users / 100 domains, and ODBC support

All versions run all available protocols: FTP, FTPS/SSL/TLS, HTTPS, and SSH2/SFTP.

1 license is required per physical or virtual server instance.

Each license includes a minimum of 1 year of software updates. The license does not expire, only the ability to upgrade to newer versions does.

Existing customers prior to this licensing have the Business edition.