S3 Browser - S3 Browser is the name of an easy and simple to use Amazon S3 clients for the Windows operating systems.
Files App - Files is a beautiful single-file PHP file browser and manager that can be dropped into any dir on your server, instantly creating a gallery of files and folders.
Cyberduck - A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.
VerHost - VerHost is a file sharing platform which has no sign up. Unlimited Uploads and Unlimited Downloads.
CrossFTP - CrossFTP is a powerful FTP and Amazon S3 client. DownloadDownload CrossFTP/Pro/Enterprise for Windows, Mac . FeaturesCrossFTP.
Filen - Next Generation end-to-end encrypted cloud storage. Get started with 10 GB of free space.