Rich in Web content, short on cash? Open-source FTP application FileZilla is handy if you're looking for a feature-rich tool for Windows, Macs, and Linux machines to handle transfers and don't want to part with your bucks. The multilingual app caches directories to speed up browsing, and multiple secure connection options ensure that you can move files around without concern.
FileZilla supports all the major features you'd expect from a top-notch FTP client: bookmarking, a site manager, QuickConnect for fast switching on the fly, the ability to connect to multiple servers at once, and a powerful filter. It lacks a task scheduler, but makes up for that by eating a manageable amount of memory. Hands down, this is one of the best FTP tools around.