CRDF Global

- crdf.org

Peace and prosperity through science collaboration.

Not Applicable $ 8.95


Charles S. Peirce Studies

- peirce.org

Web site devoted to the works and life of Charles S. Peirce, American philosopher.

4,684,343 $ 240.00

The Loop

- loopinsight.com

The Loop provides comprehensive and insightful news, editorial, and commentary on iPhone, iPod, Macintosh, associated third-party software and accessories,...

265,363 $ 33,480.00

BrainBashers - Puzzles and Brain Teasers

- brainbashers.com

Brain teasers, puzzles, and optical illusions.

552,097 $ 2,160.00

Husserl Page

- husserlpage.com

Resources detailing the life, works, and influence of Edmund Husserl, the 20th-century German philosopher and founder of the phenomenological movement.

Not Applicable $ 8.95

Paul Oppenheimer | Home

- peoppenheimer.org

Home Page of Paul E. Oppenheimer

Not Applicable $ 8.95

Logical Fallacies: The Fallacy Files

- fallacyfiles.org

Describes and gives examples of logical fallacies from the media and everyday life, applying logic to controversial issues in order to improve critical thinking skills.

517,588 $ 1,440.00

(Arisbe) Charles Sanders Peirce: ARISBE: THE PEIRCE GATEWAY: Home Page

- cspeirce.com

Charles S Peirce Telecommunity Website

Not Applicable $ 8.95

Rosegarden: music software for Linux

- rosegardenmusic.com

Rosegarden is a powerful audio, MIDI and score editing and sequencing environment for musicians.

8,921,035 $ 240.00

Philosophy Pages

- philosophypages.com

Aids to the study of philosophy, including study guide, dictionary, timeline, discussion of major philosophers, and links to e-texts.

535,109 $ 2,400.00

Nick's Mathematical Miscellany

- qbyte.org

Miscellaneous resources and links, including Nick's Mathematical Puzzles.

4,433,889 $ 240.00

Centre national de Logique, Nationaal Centrum voor Logica, CNRL/NCNL

- logic-center.be

The site of the belgian national center for research in logic.

Not Applicable $ 8.95

Austhink - austhink.com

- austhink.org

Austhink: leaders in visualizing thinking and creators of bCisive and Rationale, software for easier decision making and better critical thinking.

Not Applicable $ 8.95

Journal of Theoretics - Nonprofit peer-reviewed Journal of scientifica

- journaloftheoretics.com

Nonprofit peer-reviewed Journal of scientifically credible theories from all disciplines.

Not Applicable $ 8.95

Brain Teasers and Puzzles in Logic, Mathematics and Creative Thinking

- barryispuzzled.com

Brain teasers and puzzles in logic, mathematics and creative thinking from Daily Telegraph and Prospect magazine puzzlist

Not Applicable $ 8.95

Norbert Preining

- preining.info

Digital home of Norbert Preining

2,690,549 $ 480.00

Data Transit - Welcome

- data-transit.com

Data Transit - Welcome

9,911,449 $ 240.00

Skeptic Friends Network

- skepticfriends.org

The mission of the Skeptic Friends Network is to promote skepticism, critical thinking, science and logic as the best methods for evaluating all claims of fact, and we invite active participation by our members to create a skeptical community with a wide variety of viewpoints and expertise.

9,256,327 $ 240.00

Conceptual Structures

- conceptualstructures.org
Not Applicable $ 8.95

The Official Peter Kreeft Site - Introduction

- peterkreeft.com

This site's Featured Writing about the ocean of God's love are only a few thimblefuls. For God's love is an infinite, shoreless sea we are destined to swim in, surf in, and grow in forever.

2,722,623 $ 480.00


The Contest Center - Puzzles & Prizes

- contestcen.com

Win big CASH PRIZES in our Interactive Online Games. Plus riddles, brainteasers, cryptograms, logic puzzles, crosswords, anagrams, alphametics, trivia, tongue twisters, lotto, bingo and more.

9,310,458 $ 240.00