IcedTea is build environment for OpenJDK. It also adds functionality to OpenJDK, including a powerful web plugin.
IcedTea aims to make it easier for users to build and deploy OpenJDK, especially when using Free tools. IcedTea is the variant of OpenJDK currently distributed with GNU/Linux distributions such as Fedora, Gentoo and Debian, and our primary focus is to continue to support OpenJDK on GNU/Linux across multiple architectures.1
1Source:IcedTea Project
The IcedTea browser plugin is provided in the icedtea-plugin package .