Blucoubackup is described as '* Async encryption' and is an app in the Backup & Sync category. There are seven alternatives to Blucoubackup for a variety of platforms, including Windows, Mac, Linux, Google Drive and VMware vSphere Hypervisor. The best alternative is Duplicati, which is both free and Open Source. Other great apps like Blucoubackup are Duplicacy (Freemium, Open Source), Retrospect (Paid), Personal Backup (Free) and GS RichCopy 360 (Paid).
Duplicati is a backup client that securely stores encrypted, incremental, compressed backups on local storage, cloud storage services and remote file servers. The Duplicati project was inspired by Duplicity and had similar functionality until 2008.
Retrospect is a multi-platform backup solution supporting hybrid backup to disk, tape, NAS & Cloud, aimed at SMEs and MSPs. Main Editions include unlimited client/endpoint licenses. Site License Edition includes unlimited server licenses.
Personal-Backup is an English/German program to save personal data to any destination folder. This folder may be located on a local fixed or removable drive, on a windows network server or on a FTP server.
Rebel Backup lets you make encrypted backups of your important files offsite to Dropbox or Google Drive. You control what and how often is backed up, and the encryption happens locally on your computer.
Backer is a visual front end to the rsync command. It allows the user to select multiple folders and back them up to multiple locations. It stores your backup settings for you so that all your backups can be run easily using a single button click.