Linux Softwares to sync files between two directories

Insync is a powerful desktop client for various cloud storage services, including Google Drive, Dropbox, OneDrive, and more. It offers features like multi-account support, selective sync, network drive mapping, and robust backup capabilities for users looking to integrate their cloud storage seamlessly with their desktop environment.

Synkron is a multi-platform folder synchronization and backup application designed to help users keep multiple directories in sync across various locations, including local drives, FTP servers, and Amazon S3. It offers features like multi-way sync, scheduling, and file filtering.

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.

rsync is a versatile command-line utility designed for efficient file transfer and synchronization. It specializes in incremental transfers, copying only the parts of files that have changed since the last synchronization, making it highly efficient for backups and mirroring.

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.