We've tried to cover a good range of FOSS projects and people with the signatures below. All tshirts will be signed by all the people below, so hopefully there is something there for everyone!

Confirmed:

• Alan Cox
• Aaron Seigo
• Jeff Waugh
• Lawrence Lessig
• Mark Shuttleworth
• Andrew Tridgell
• Rusty Russell

To let us know:

• Linus Torvalds
• Richard Stallman
• Jon 'maddog' Hall