XP2000 Conference

The eXtreme Programming Workshop, May 28-June 1, 2001, Porto, Portugal

XP Universe Conference, July 23-25, 2001, Raleigh, NC, USA

ExtremeProgrammingRoadmap at Wiki Wiki

XProgramming.com

Extreme Programming: A gentle introduction

XPlorations

XPdeveloper

Dynabook on XP at IEEE

Extreme Programming at ootips

Refactoring

Martin Fowler's site

Object Mentor Inc.

The eXtreme Programming Software Studio(TM)

Frank Westphal site (in German)

XP Forum at egroups.com

Adaptive Software Development
Jim Highsmith's Information Architects, Inc.

SCRUM
SCRUM Hyperproductive Software Development Method at www.jeffsutherland.org
SCRUM Reference at www.controlchaos.com