In addition to integration with Windows WinSCP can closely cooperate with some other applications.
In addition to being based on source code of this popular SSH client, WinSCP can also share site settings with it.
For editing files in WinSCP you can configure it to use your favorite editor.
Learn how to use the Pageant (PuTTY’s SSH authentication agent) application for public key authentication.
If you use password manager, such as KeePass, you can use them as site manager to WinSCP.