FileZilla is a popular free FTP client, it is one of the must have free software out there. Portable FileZilla is a lite version of the Filezilla to use it from portable devices like USB drives, iPod and others.
This version brings all the features of latest Filezilla 22.214.171.124 with improved installer and better free space calculation. It can be installed in English only version under 3MB.
Download from Portableapps.com