Pressbooks - Create books: print and ebooks
Acronis Cyber Protect Home Office - (Formerly Acronis True Image) Complete protection for your digital life
Papermine - Create stunning digital booklets.
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
Meminto Stories - Meminto Stories makes it easy for anyone to become the author of their own book.
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.