S3 Browser - S3 Browser is the name of an easy and simple to use Amazon S3 clients for the Windows operating systems.
overGrive - Complete Google Drive desktop client for Linux
Cyberduck - A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.
Syncdocs - Syncdocs syncs folders between all your PCs and Google Docs.
CloudBerry Drive - CloudBerry Drive is a tool to map your cloud storage as a local drive to access and edit files in...
drive-cli - Google Drive client for the commandline