FreeFileSync - FreeFileSync is a free open source data backup software that helps you synchronize files and folders on Windows, Linux and macOS.
Cloud Storage Manager - Cloud Storage Manager provides you with an Explorer view of all your Azure Blobs. You can see details of each individual Blob, including Blob size, date the Blob was created and modified, as well as what Storage Tiering the Blob currently is in.
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
BestSync - BestSync is a utility for following solutions:
GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
CloudXplorer - This cloud storage management system enables the clouds users to manage and explores their favorite cloud storage accounts in a more systemized way.