PowerFTP

PowerFTP is a powerful FTP client/server software. The best feature of PowerFTP is the function of multiple thread downloading and uploading. it can even split one big file into several parts, and download each part at one time! With PowerFTP, you will get the FASTEST transferring speed!
Another good feature of this product is Personal FTP server. it can make your computer as a standard FTP server. You can add or remove account, edit share directory accessing permission.