Java Embedding Plugin (JEP) enables Java on Mac OS X with non Safari browsers. This plugin is shipped with Firefox 1.5 on, and all recent versions of SeaMonkey and Camino.
The latest released version: 0.9.7.5 requires Mac OS X 10.4.11 or higher.
History
Originally for the PowerPC based Macs, a port to Intel x86 was needed.
Version: 0.9.6.1 had a security vulnerability that allowed remote attackers to crash the browser.
References
Java Embedding Plugin Wikipedia(Text) CC BY-SA