<p>I have to analyse some existing Erlang code.</p>

<p>Does anybody knows about a tool able to visually / graphically trace the modules calls ?</p>

<p>The behaviour should be : give a directory containing the source code, and get a gui / picture / file of the calls (module1->module2->module3....).</p>

<p>Something like an UML reverse-engineering, but <em>ala</em> Erlang ?</p>

<p>Thanks.</p>

```
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in OTP works like this. It gives you data about which dependencies exist between applications and modules and produces call graphs.
Here's an overview of
```
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.