Finally! Graylog2 v0.10.0 has arrived. Read what's new on the release page.
Graylog2 Open source. Log management.

Download Graylog2

The current stable release of Graylog2 is v0.11. (Older releases can be downloaded from GitHub)

Graylog2 Radio

AMQP gateway for Graylog2. Introduction blog post and link to documentation: Introducing graylog2-radio

Installation guides

Find the official installation guides on the help pages:

Packages and images

There are several installation resources provided by users. These are not supported or maintained by us.

Chef / Install script

Find a Chef cookbook here. There also is a Linode Stackscript that will install a ready to use Graylog2 environment: http://www.linode.com/stackscripts/view/?StackScriptID=1970 - You can build up other auto-install solutions on top of the referenced bootstrap script.

Images

Flavio Castelli is maintaining a SuseGallery image that you can download as ISO or a ready to use VirtualBox/VMWare/Xen/EC2 image.

There also is Partylog2 - A ready to install/test Graylog2 appliance available as ISO.

Gentoo

Bapabooie on GitHub built an Gentoo Ebuild: http://github.com/Bapabooiee/bapa_overlay/tree/master/app-admin/graylog2/