Projects / At4J


AT4J is a set of tools for working with data compression and file archives from Java. It supports reading and creating zip and tar files, as well as several types of compression algorithms via third party libraries.

Operating Systems

Recent releases

  •  04 Dec 2012 20:31

    Release Notes: A bugfix in the ArchiveExtractor.

    •  10 Apr 2011 19:14

      Release Notes: This release comes with various bugfixes and improvements, mainly for zip files.

      •  22 Sep 2009 13:51

        Release Notes: A multithreaded implementation of bzip2 was added.

        •  17 Jul 2009 05:33

          Release Notes: This release introduces the CompressionLevel enum that is used by the Zip builder and all compression methods. EntityFS was updated to version 1.1.3.

          •  19 Mar 2009 19:42

            Release Notes: This release fixes three bugs in 1.0.


            Project Spotlight


            A Fluent OpenStack client API for Java.


            Project Spotlight

            TurnKey TWiki Appliance

            A TWiki appliance that is easy to use and lightweight.