If you specifically miss the high-end automation, site-to-site (FXP) transfers, and premium enterprise feel of FlashFXP, SmartFTP is a worthy successor.
Your exclusive, lifetime FlashFXP license key will be sent to your email address, ready for activation. Features Unlocked by a Licensed FlashFXP flashfxp+license+key+exclusive
To maximize the benefits of using FlashFXP with a license key, users should: site-to-site (FXP) transfers