Copias de datos Backup

todos necesitamos tener copias de los datos y a principio de año , guardar la historia es importante
Aqui dejo 3 opciones muy buenas

Fuente https://sourceforge.net

http://blog.bacula.org/

The Bacula® Open Source Network Backup Solution

Bacula is a set of Open Source, computer programs that permit you (or the system administrator) to manage backup, recovery, and verification of computer data across a network of computers of different kinds. Bacula is relatively easy to use and very efficient, while offering many advanced storage management features that make it easy to find and recover lost or damaged files. In technical terms, it is an Open Source, network based backup program.
According to Source Forge statistics (rank and downloads), Bacula is by far the most popular Open Source backup program.

http://www.areca-backup.org/features.php
Backup Engine Features :

• Archives compression (Zip & Zip64 format)
• Archives encryption (AES128 & AES256 encryption algorithms)
• Storage on local hard drive, network drive, USB key, FTP, FTPs (with implicit and explicit SSL / TLS) or SFTP server
• Source file filters (by extension, subdirectory, regular expression, size, date, status, with AND/OR/NOT logical operators)
• Incremental, differential and full backup support
• Support for delta backup (store only modified parts of your files)
• Archives merges : You can merge contiguous archives into one single archive to save storage space.
• As of date recovery : Areca allows you to recover your archives (or single files) as of a specific date.
• Transaction mechanism : All critical processes (such as backups or merges) are transactional. This guarantees your backups' integrity.
• Backup reports : Areca generates backup reports that can be stored on your disk or sent by email.
• Post backup scripts : Areca can launch shell scripts after backup.
• Files permissions, symbolic links and named pipes can be stored and recovered. (Linux only)

Graphical User Interface :

• Archives content explorer. (including a 'find file in archives' feature)
• Archive description : A manifest is associated to each archive, which contains various informations such as title, date, description, and additional technical data.
• File version tracking : Areca keeps track of your files' history (creation / modifications / deletion). Each version can be selectively viewed and recovered.
• Backup simulation (check whether a backup is necessary)
• User's actions history : Areca keeps an history of all user's actions (archives deletion, merges, backups, recoveries).

Command-Line Interface :

• Areca comes with a command-line interface which can be used for backup automation.

FreeFileSync

Free backup software to synchronize files and folders

http://www.freefilesync.org/