Really happy with this program: it highlights three things that are great about portable freeware generally:
* Everything in one place
* Compatible with a variety of different services
* Security/Privacy - the aforementioned password hashing + master password
Wishlist - lots of these are rather predictable and based upon many other different file transfer tools, but listed roughly in order of priority:
* In addition to splitting files, automatically compress and upload files with optional encryption (using .ZIP or .7z format)
* SFTP or FTPS support (this can currently be enabled with that
Tunnelier program, but something built-in and simple would be ideal)
* As one file is transferring, the ability to add more files to the queue
* Upload resume capability
* As pointed out by FWG, the ability to transfer between services (ideally server to server, but could easily be server to client and back to server)
* Optional file thumbnails for pictures