Raidrive Portable

A well-known portable file manager that supports SFTP, FTP, and S3 protocols.

If you need an official portable solution, Mountain Duck offers one, but it is paid. For free users, RaiDrive Portable (via PortableApps) is the best choice. raidrive portable

: A fully portable SFTP and FTP client that can also connect to S3 and WebDAV. FileZilla Portable A well-known portable file manager that supports SFTP,

A blog post regarding RaiDrive and its portable capabilities. Access Your Cloud Anywhere: Is There a RaiDrive Portable? Mountain Duck offers one

Here’s a concise guide to using (the no-install, USB-friendly version of RaiDrive for mounting cloud storage as local drives on Windows).