Connection Groups

I always work with multiple connections open at the same time. It would sure be nice to be able to group them so they would open with a single click.

You can group then into folders on Login dialog. All sites in a folder can be opened at once.
https://winscp.net/eng/docs/ui_login#folders

Or you can group sites into workspaces. It allows you to have a single site in multiple groups.
https://winscp.net/eng/docs/workspace