Mac OS X Softwares to Folder Synchronization

Unison is a robust, open-source file synchronization tool for macOS, Unix, and Windows. It enables reliable bidirectional synchronization between two replicas of files and directories across different hosts or disks, ensuring both locations are kept up-to-date with changes.

Double Commander is a free and open-source cross-platform file manager with a classic dual-panel interface. It provides essential file management operations alongside advanced features like batch renaming, folder synchronization, and built-in viewers and editors, making it a comprehensive tool for efficiently organizing and manipulating files across various operating systems.

SugarSync is a powerful cloud synchronization and backup service that allows users to sync any folder on their computer across multiple devices. It offers real-time syncing, file sharing, and robust security features to keep your data accessible and protected.