Some of the main keynote speakers for the 11th International Free Software Forum have been confirmed. Here is just a few confirmations. Scott Chacon from GitHub, Wietse Venema, the creator of Postfix and tcp-wrappers softwares, Michael Hanselmann, system administrador for Google in Switzerland, who also works on developing the Ganeti project.

Check the following list below for ALL keynote speakers confirmations:

Scott Chacon
GIT e GitHub

Wietse Venema
Postfix

John Maddog Hall
International President of Linux

Ole Peter Smith
Teory of Science: One more argument for the Free Software

Hector Colina
Canaima, distribution to venezuelan GNU acting as a social articulator

Rafael Vanoni Polanczyk
Performance, pararellism and scalability in kernel OpenSolaris

Tiago Vignatti
Linux Graphics for Small Devices

Roger Brinkley
It's All About Me (Mobile and Embedded)

Mauro Risonho de Paula Assumpção A.K.A firebits
Backtrack Brasil A distro Open source the number one Pentest (invasion test)

Anahuac de Paula Gil
Nokia N900 - Jealousy Maker

Carlos Donizete (Coringao)
Ubuntu Games – Free Games

Reinaldo Gil Lima de Carvalho
Korreio: an electronic mailing administrador software

Fernando H. F. Botelho
Project F123.org: Education and jobs in big scale for deficients.

Alexis Menard
Plasma sneaks into your pocket

Fabricio Campos Zuardi
What to do when the sistem is frozen?

Arun Gupta
Java EE 6 Toolshow

Sergio A. Pohlmann
Free Solutions for Cloud Computing with different companies

Michael Hanselmann
The evolution of Ganeti, an Open Source manager for clusterized virtual
machines

Nate Aune
Designing open source software for the cloud

Jon Phillips
Building an Autonomous Federated Social Web: OStatus, Status.Net, and
Identi.ca