The Business of Thinking
- On applied thinking, the pitfalls and roadblocks to good thinking, and effective techniques.
- http://www.thebusinessofthinking.biz

Resources for Independent Thinking
- Many essays and articles covering topics related to thinking for one's self.
- http://www.rit.org/essays/essays.html

Critical Thinking Study Topics
- Student study guide on psychological manipulation, cult groups, sects, and new religious movements.
- http://www.icsahome.com/infoserv_topic_collections/tpcol_critical_thinking.asp

Critical Thinking across the Curriculum Project
- Definitions, examples and argument analysis, from Longview Community College.
- http://mcckc.edu/longview/ctac/

Open Courseware on Critical Thinking
- Over one hundred tutorials on critical thinking, logic, scientific reasoning, creativity, and other aspects of thinking skills.
- http://philosophy.hku.hk/think/

Propaganda and How to Recognize It
- Essay on propaganda techniques.
- http://www.rbs0.com/propaganda.pdf

National Center for Teaching Thinking
- A service organization for educators dedicated to providing programs for K - 12 schools and colleges on teaching and assessing skillful thinking,.
- http://www.nctt.net

A Field Guide to Critical Thinking (Skeptical Inquirer Winter 1990)
- Six rules of evidential reasoning, a distillation and simplification of the scientific method. Ignoring the vowels, the letters in the word "FiLCHeRS" stand for the rules of Falsifiability, Logic, Comprehensiveness, Honesty, Replicability, and
- http://www.csicop.org/si/9012/critical-thinking.html

2think.org
- Collection of book reviews and essays, mostly on popular science, with an emphasis on science as a guide to truth. Also includes a discussion forum.
- http://www.2think.org/

Skepsonix
- A collection of links to audio and video files, all on skeptical topics. Lectures, interviews, discussions.
- http://home.tiscali.be/thinkjr/

Thinking Straight: Internet Resources
- Categorized directory of web-based resources on critical thinking.
- http://www.limbicnutrition.com/critical/

Philadelphia Association for Critical Thinking
- Addressing strange phenomena with the mindset, "What are the facts and what can we deduce from them?"
- http://www.phact.org/

The Church of Critical Thinking
- Dedicated to spreading the word about cynical reasoning in established religion, politics, the paranormal beliefs, as well as anything else that people tend to accept blindly. "Your Suspicion is Our Mission".
- http://www.churchofcriticalthinking.com/

Association for Informal Logic and Critical Thinking (AILACT)
- A non-profit scholarly association which aims to promote research into, teaching of, and testing of informal logic and critical thinking.
- http://ailact.mcmaster.ca/

So You Want to Avoid Common Logical Errors?
- Gives logical errors a name and points out the most common logical errors and how to avoid them.
- http://www.soyouwanna.com/site/syws/logic/logic.html

Real-World Reasoning
- A course given by Peter Suber for high-school students as an introduction to college.
- http://www.earlham.edu/~peters/courses/inflogic/inflhome.htm

The Critical Thinking Community
- Providing a forum and resources about Socratic questioning, higher order thinking, and critical thinking. Organizer of conferences and publisher of books and academic resources for teachers.
- http://www.criticalthinking.org/

An Experiment in Group Learning Technology
- The results of a study designed to measure critical thinking in face-to-face and computer-supported seminars.
- http://www.qub.ac.uk/mgt/papers/ccvsem/contents.html

Mission: Critical
- Tutorial for critical thinking.
- http://www.sjsu.edu/depts/itl/index.html

Creating A Thinking World
- Authors discussion topics include: becoming more creative, educating thinking children, and developing a morally enlightened world.
- http://www.thinkingworld.com/