FlashFXP is a useful FTP/FXP program with an explorer-like interface, FlashFXP provides a nice interface for common tasks, an optional Tree View for easy directory navigation. Features include the ability to queue multiple files for uploading and downloading, crash recovery - no more lost transfer queues due to power outages or system crashes, server to server transfers (FXP), remote file viewing & editing
More info:
hxxp://www.flashfxp.com/