Time Machine backs up all of your files to an external hard drive so that you can restore them later or see how they looked in the past. Developed by Apple
License: Commercial
Déjà Dup is a simple backup tool. It hides the complexity of backing up the Right Way (encrypted, off-site, and regular) and uses duplicity as the backend. Features: • Support for local, remote, or cloud backup locations, such as Amazon S3 and Rackspace Cloud Files. Developed by Michael Terry
License: Open Source
Déjà Dup is an open-source backup solution primarily for Linux users, offering incremental backups and integration with GNOME, while Time Machine is a built-in macOS feature that simplifies backup processes with automatic and versioned backups for Apple users.