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About Wrangl:

A simple tool that visualises two sides of an argument. Users can collaborate and build a ‘Wrangl’ that shows others quickly the general structure of the arguments that relate to a debate, and they can drill down into particular points to find references and links. It’s good for democracy projects, decision making, explaining the differences between similar products, and lots more.

The website outlines several potential use cases.

Decision making:

If you or your team have to make a decision between two courses of action, document your thinking and share it with others via a private Wrangl. Anyone can contribute thoughts and opinions and once everyone has had their say you can work out which course to take.

Public policy:

Help people understand the issues involved in decisions about local and national government policy. Save time and money communicating complex issues in long documents – create a simple graphical overview of the issue and publish it via the web.


Referendums, votes and other two-way decisions that require input from members of the public can be helped when voters have access to the facts. Construct a Wrangl from both points of view to help the public reach their own decision about which way to vote.

Wrangl is being developed by London, UK-based Stef Lewandowski.

Additional information

Slice & Dice

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