Idea Flow is Renee Hopkins Callahan's blog on creativity and innovation.
General Business
Executive Book Summaries offers excellent 8-page summaries of top business books either as a subscription or as reprints and collections.
Harvard Business Online offers reprints and compendiums from the venerable Harvard Business Review and Harvard Business School Press.
Tom Peters is one of the great management gurus of our time. Wow!
Value Based Management.net has hundreds of free articles on management methods, models and theories. When you run into a buzz-word you don't understand, this is a great place to get up to speed quickly!
Working Knowledge is the Harvard Business School's deep and thorough blog covering important issues for business leaders.
David Sibbet is a master facilitator and guide of strategy and change processes. He is the founder and President of The Grove Consultants International and one of my mentors.
The Grove Consultants International is a thought leader in graphic faciliation and leading processes to visualize change. They publish templates, guides, and books to help consultants and leaders faciliate their teams.
Visual Practitioner.org is a resource for learning about graphic facilitation and visual practitioners.
Leadership
Center for Creative Leadership integrates cutting-edge research with innovative training, coaching, and assessment tools for leaders and organizations.
Extreme Leadership is Steve Farber's take on authentic leadership through practices of facing fear, cultivating love, generating energy, inspiring audacity, and providing proof.
Guy Kawasaki does his part to support entrepreneurial spirit in his own inimitable style.
Leading Blog explores issues important to leaders and offers books, articles, and other resources.
Personal Effectiveness
Consulting Psychologists Press offers a range of powerful assessment tools, products and services for professional awareness and development.
Enneagram Worldwide offers rich resources for understanding the Enneagram. It was founded by Helen Palmer, who first brought the Enneagram to public awareness with her first book in 1988.
Insights Discovery has developed a unique, colorful personality profiling system and extensive learning systems for teams and organizations.
Institute of Noetic Sciences is a thought leader and publisher exploring the frontiers of consciousness to advance individual, social, and global transformation.
The Enneagram Institute is another rich resource on the Enneagram and probably the best indicator test available.
The Myers & Briggs Foundation The orignal and official source for information on the Myers-Briggs Type Indicator (MBTI).
Strategy
Mapping Strategy offers reflections on strategic thinking, forecasting, scenario planning, and organizational resilience.
Strategy Kinetics looks at ways to overcome uncertainty through dynamic strategy development and implementation.
strategy+business has a surprisingly high level of quality of writing in the fields of business and strategy (this is a publication of Booz Allen Hamilton).
Gil Friend of Natural Logic shares his perspectives on strategic sustainability and becoming environmentally responsible while improving the bottom line.
Stanford Social Innovation Review provides strategies, tools, and ideas for non-profits, foundations, and socially responsible businesses.
Sustainable Business provides news and information on green trends such as renewable energy, social investing, green building, and organic products and their implications for business.
Team Building
Team Building Inc. carries loads of ideas, products, and "do it yourself" exercises to help build teams.
Vision
Future Now is the Institute for the Future's great blog on emerging technologies and their implications for the future.