The well-respected ARJ archiver is now available as Open Source software. This portable version targets DOS, OS/2, Linux, and FreeBSD. See the project home page for binary versions of previous commercial/shareware versions. (These versions were free for personal use, but not commercial.)

ARJ 2.78/3.10 build 17 is shipping in September, 2003.

http://sourceforge.net/projects/arj

The folks at Dark Horse Industries like Robert Jung’s JAR compressor. So much so that they created a graphical front end for it. Get it here.

http://darkhorseindustries.com/jazz.html

Andrew Belov, from ARJ Software Russia, has announced the release of ARJ for Linux and FreeBSD. Links on this site to the OS/2 version as well, if you’re in the market for that.

http://testcase.newmail.ru

An archived copy of ARJ 2.75.

ftp://garbo.uwasa.fi/pc/arcers/arj275a.exe

The home page for Robert Jung and ARJ. This page has links to the ARJ FAQ, downloads of the various ARJ executables, and ordering information. It also is the home page for the newer JAR archiver. Arj is now on release 2.71.

http://www.arjsoft.com

Wotsit’s description of the JAR file format. Robert Jung’s JAR format, not the JAR format used to distribute Java classes.

http://DataCompression.info/ArchiveFormats/jar.txt

A description of the ARJ file format.

http://DataCompression.info/ArchiveFormats/arj.txt

Elcom makes password recovery software, which includes support for Zip and Arj files.

http://www.elcomsoft.com/prs.html

Create and expand solid archives with the well-known ARJ, able to handle fool archives as it was an ARJ archive (GUS), support of Win95’s long file names, ANSI archive comment allowed, with a fast display, ANSI.SYS *not* necessary, protection against ANSI-BOMB, optimized for a minimal use of the RAM (memory), compatibility with ARJ;
- security improved for encrypted arjives, often beter than C**** (a similar product);

ftp://garbo.uwasa.fi/pc/arcers/sarj121.exe