Roger von Oech thinks this site is one of the most comprehensive web-sites around on the subject of creativity. It is a little whacky but full of good stuff that does make you think including the creative timeline of the world.

They have assisted individuals, small businesses, companies, and corporations with insight, and innovative thinking.

A resource for training and development in creativity and innovation in organizations. Has a newsletter, and some articles and essays by 'Corporate Alchemist' Linda Naiman.

A guide to creative thinking for serious people, and the eight basic heuristics of directed creativity. This is the web site for Paul Plsek and Associates in Roswell, Georgia, USA. Heuristics are a key to good higher-order thinking and knowledge creation.

A training and development company providing workshops and software around decision making, problem solving, team skills, creativity, and meeting management.

An international training and coaching company specializing in creative thinking, strategic thinking, mind mapping and personal thinking skills

Develops world-class performers-- people who create desired results with minimal resources and who empower others with their knowledge, skills, and character to do the same.