CrossFTP is a free and excellent GUI FTP client for multiple platforms. It uses a familiar, Explorer-like interface so that the novice user can master in minutes. Some features are: Multi-tab; Web starting and updating, FTP server launcher; i18n support; archive browsing; image viewer; Filtering; Auto-reconn and anti-idle, and so on. The Pro version is available by a license fee, which further features multi-thread, secure, and FXP, etc.