FBackup Alternatives for Mac OS X

FreeFileSync is a free and open-source file synchronization and backup software for Windows, Linux, and macOS. It helps users compare and synchronize files and folders efficiently, supporting various storage locations including local drives, network shares, SFTP, and cloud storage.

Duplicati is a robust, free, and open-source backup client that securely stores encrypted, compressed, and incrementally updated backups on various cloud storage services, remote servers, or local drives. It's designed for both technical users and those who prefer a guided configuration.

GoodSync is a powerful and reliable file synchronization and backup software that automates data transfer and protection. It allows users to sync files between various devices, cloud storage, and FTP/SFTP servers, ensuring data consistency and availability across multiple locations.

Syncovery is a robust file synchronization, backup, and cloud backup software designed for both individuals and businesses. It offers advanced features including versioning, encryption, and support for various cloud storage providers, ensuring flexible and secure data management.

DirSync Pro is an open-source, cross-platform file synchronization and backup utility designed for Windows, Linux, macOS, and other Java-supported operating systems. It offers robust features for managing backups, synchronizing folders, and performing incremental or mirror backups with options for encryption and scheduling.