GuildFTPd

GuildFTPd has AutoBAN to control hammering, On/Off case sensitive passwords, Deleted files can be sent to Recycle Bin, Allow multiple or single instance of program running, Advanced User creation to assist in configuring user accounts,Passive IP and ports for use behind SOHO DSL/Cable routers, Event Manager with variables to provide customized user functions
Send & Receive Buffer Size Control, On/Off Host Name Reverse Lookup of Client,
Minimum and Maximum speed limits, Random password generator, with option to copy password to clipboard, Hide Hidden files and folders, Multiple connection ports, Server messages and variables, Download speed control,Upload speed control, Resume uploads/downloads, Instant server statistics, when using the STATS plug-in, Plug-in support to allow a truly customized server that fits your needs and only gives you what you need.
Drag-n-drop Users from one Group to another, User Banning and IP Masking to control access to the server on a user or IP address level, Real-time Connection Graph, Ability to SPY current connections or review past connections, Review uploads and downloads from a users session, Kick users off the server manually by right-clicking them in the connections window
Limited remote administration of the server using the optional SITE Commands plug-in and Permission flags setting, Customizable toolbar, and much much more!