"I like your argument graphics for their simplicity, their clarity, and aesthetic design, and above, all I believe that students or corporate folks would feel inspired to use them." Marlys Mayfield, College of Alameda, California


"fun to use.... A very good tool for students learning rhetoric, debating, logic, or composition." Larry O'Brien in his review of Rationale at Knowing.net


"Rationale is magic when it comes to thinking through a problem.... To my great delight I found that argument mapping could be fun as well as eye opening....If I had had Rationale in college...my thinking skills would've been finely tuned and problem solving would have become a much more rewarding pursuit. Now my ideas are more accurate and better articulated." Chet Dailey


"one specially ambitious new offering..." Eminent journalist James Fallows talks about Rationale™ in his technology column in the current issue of the The Atlantic Monthly. (Subscription required, or email us and we can send you a temporary link)


"I am very impressed with Rationale™ as a tool to assist students in improving the structure of their analytical essays... Rationale™ greatly assists our staff in implementing the higher order thinking skills that are essential to improving student learning." Catherine O'Kane, St Rita's College


"No agony, just ecstasy...Argument mapping turns out to be fun. Sorted, review of Rationale.


An outstanding product with a broad range of curriculum applications. The visual nature of this software will prove very valuable in assisting my students to organise their thinking.
- Garry Chapman, Assistant Director of Curriculum, Ivanhoe Grammar School.


Cool...a quantum leap forward from Reason!Able.
- Andrew Palmer, Associate Professor of Law, University of Melbourne, and practising barrister

Your new software is genuinely dazzling – both at a practical level and at a theoretical level. Congratulations!
- Peter Tillers, Professor of Law, Yeshiva University

Once they start to see this as a normal, natural way to think through their essay plan, the quality of their essays jumps noticeably. Students who were baffled at first start to feel that they really can do this stuff. That's magic.
- Mark Matcott, Lilydale High School

It's not just for lawyers. Argument mapping is such a fundamental skill in business.
- Simon Uthmeyer, Partner, Phillips Fox Lawyers

Wow, it was a real joy to work with the program, it really goes a long way to answering all my previous wishes, and offers lots of unlooked for delights as well.
- Dr. Geoff Hyde, National Centre for Biological Sciences, India

Austhink's argument mapping techniques have enhanced DSE's policy capability by improving the logic with which we tackle the sustainability policy task.
- Scott Rawlings, Principal Analyst, Department of Sustainability and Environment, Victoria