Areca is an Open Source file backup software developped in Java. Its main features are : * Archives Compression (Zip format) * Archives Encryption (Triple DES encryption algorithm) * Source file filters (by extension, subdirectory or regular expression) * Incremental / Full backup support * Archives content explorer * File history explorer : Areca keeps track of your file's history (creation/modifications/deletion). * Backup simulation * 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. * 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. Two user interfaces are available : * A command-line interface (useful for backup process automation) * A graphical user interface (useful for general administration tasks)