It feels native to finder - don't forget to turn on finder integration!
I’ve tried a lot of similar tools, this is a tougher problem than it looks which is probably why it’s not a native feature of finder. I guess having the core be Cyberduck - old, robust, been around for forever - is probably the basis for its reliability.
It’s also, nice that it’s so slow - WAIT, dont hang up, let me explain! I’ve tested a lot of tools that accelerate or locally sync remote files to speed things up - this is great for occasional use but, if you’re tweaking, checking, tweaking, checking or if you’re one to drag/drop a folder full of a hundred small files and the tools comes back with ‘I’m done!’ in ten seconds, you just know that it hasn’t! In the background, it’s slowly trying to make-good on its promise but one day, soon, it will trip up. Maybe it’ll suffer a comms error or someone else will update the file whilst you’re editing it, maybe you’ll close the lid of your laptop and forget? One day, your work _will_ get mangled. I’d rather, for the important stuff, have it say copying, copying, copying because, when it’s done or if there’s a problem, I’ll know where I stand and I won’t be calling the boss to tell him to check out the latest updates… that are still happening somewhere in the processes of my Mac.
It could use some more features - remote delete would be nice for example but honestly, long may it remain slow - truth is better than beauty!