Icecast Current Release (2.4.0)
Older releases can be found Here
In addition to icecast, you will most likely need to download a source client for creating the actual stream. We suggest that you download one from our 3rdparty applications page.
Icecast Library / Language Bindings
Linux/Unix distribution packages.Most current Linux and Unix distributions provide either prebuilt binary packages or a way to build your own package of Icecast. This is the preferred way to install Icecast, as distribution packaging is tuned to make icecast fit well into your system. In most cases packaging will also provide necessary scripts/files to make icecast start as a service on boot. For details please refer to the package repository section of your distribution's fine manual. People have also written 'installing Icecast' HowTos for many distributions.
Hints that you might find useful: