QuantumFTP is free to download and use but if you like it, please consider donating using PayPal, as it has taken huge amounts of the developer’s time to produce.
License
QuantumFTP is released under a Creative Commons License. You are free to use it, but you cannot change it and copyright notices must be left intact.
Download
To use QuantumFTP you’ll also need the .NET Framework. This will be downloaded by the installer if it is not already installed.