In general, the only software you need is two or more wow accounts. keyclone is a major help.


http://www.dual-boxing.com/wiki/inde...etting_started

Which also has links to:
Vyndree's video tutorial
http://www.vboxing.net/v/index.php?q=node/87

Wowwiki has info done by folks here.
http://www.wowwiki.com/Dual_boxing

This website in general has a ton of info, check the wiki and the threads pinned at the top of the various forums.