Welcome to

Occam's Tree for Decision Tree Experts
(and those who want to become experts in decision making)

The Homepage of Visionary Decision Makers
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The Strange World of Decisions
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Get the Current Version

Download Occam's Tree here. Free to try - inexpensive to buy.

Occam's Tree 2.8 has been launched on 13 February 2008. Implemented are true benefits for the user, including

  • Improved keyboard navigation
  • Multi-node selection and editing
    (similar to Microsoft Excel's multi-cell selections)
  • Better configurable font
  • Microsoft Vista support

Users of older versions can just relax. Occam's Tree will ask you to allow an auto-update and will download and install the latest version if you click yes. That's it. No charges, just improvements.

Mission Statement:
This website is dedicated to all who are in charge, who have to make decisions, and strive towards a visionary and considerate fashion of making them.

The Visionary...

More about The Strange World of Decisions...

We have a body of knowledge collected on decision making to read, to meditate and think about, and to discuss.

We believe that visionary thinking—the ability to make far-seeing and considerate decisions—is what makes us humans so special. And that we should apply this ability more often instead of relying on the gut.

We also believe that an improved description of the process of decision making is necessary. This will help to separate good decisions from bad ones.

More about The Strange World of Decisions...

...Tool

Click here to download Occam's Tree

More about Occam's Tree...

Click here and place this code on your website to give your visitors free and easy access to Occam's Tree Trial and Viewer:
Free download of Occam's Tree as a Trial and Viewer

You may have noticed that we also offer a software tool: Occam's Tree can help you making better decisions for a better life of yourself and those you are responsible for—your company, your family, a political entity or any other kind of organization—without getting lost in overwhelming complexities.

If you are in sales, Occam's Tree may help you explaining your customers how they can benefit from ordering your products or services.

If you want to optimize your own decisions, Occam's Tree will support you by simplifying decision making, identifying the best options and documenting the decision process for later review.

You can download Occam's Tree from the shareware distributors and directories found here or download it directly from our website.

You may use the Trial version for free as long as you wish.

Free download of Occam's Tree as a Trial and ViewerThe Trial version is also a perfect viewer for your OTR Decision Tree files which you want to send to others. Simply send them the download link.

To run Occam's Tree in Full mode you have to order a license key in our online shop.

More about Occam's Tree...

You and Your Visionary Tool

A tool can never replace a skill.

Whether your decisions will be the best will rely on you, not on software, and luck will still play a role. But a tool can help learning and applying a skill.


Shareware distributors and directories are welcome: Click here to download the PAD-file for shareware distributors. Click here to find a list of our current shareware distributors and directories and see their ratings for Occam's Tree.

© 2006: Visionary Tools Daniel & Oliver Lehmann, Trollblumenstr. 39g, 80995 Munich, Bavaria, Germany
Mail contact:

This website uses trade marks (PMI®, PMBOK®, PMP®) which are owned by the Project Management Institute and trade marks (Microsoft®, Office Excel®, Office Word®) which are owned by the Microsoft Corporation.

This Website contains hyperlinks to other websites where appropriate. Visionary Tools and its owners do not take responsibility for the content of these other sites which may have been changed between the time when the links have been created and the time when someone uses the link.