Areca Backup is a file backup tool written in java. It supports data compression & encryption, incremental backup, file history explorer and many other features. Areca Backup also includes a transaction mechanism which guarantees your backups´ integrity. As an additional security mesure areca also features a backup simulation module.

Features
Archives compression (Zip format)
Archives encryption (Triple DES & AES encryption algorithm)
Source file filters (by extension, subdirectory, regular expression, size, date, status, usage)
Incremental / Full backup support
Archives merges / deletion : You can merge contiguous archives in one single archive or safely delete your latest archives.
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) support a transaction mechanism (with commit / rollback management) which guarantees your backups´ integrity.
Backup reports : Areca generates backup reports that can be stored on your disk or send by email.
Post backup scripts : Areca can launch shell scripts after backup.
Files permissions backup. (Linux only)
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 author, title, date, description, and some technical data.
File history explorer : Areca keeps track of your file´s history (creation / modifications / deletion) over your archives.
Backup simulation : useful to check wether a backup is necessary
User´s actions history : Areca keeps an history of all user´s actions (archives deletion, merges, backups, recoveries).
Archive´s indicators : Areca computes a lot of indicators for you, which will help you in the everyday management of your archives.
Areca comes with a command-line interface which can be used for backup automation.

What's New
More secured configuration backup (Areca makes sure that the XML backup file is correctly written on the backup location)
Command-line output in console has been reactivated
Bugfix when forcing 'full backup' mode on delta targets
Areca can now handle extended attribute values
Progress bars enhancements
Post-processors enhancements.