**DTangler uses a Dependency Structure Matrix (DSM) -- not a graph -- to visualize dependencies**. DSMs are initially harder to understand, but are more efficient for large graphs:

(...) there is a trade-off:

- Graph is more intuitive but can be totally not understandable when the numbers of nodes and edges grow (a few dozens boxes can be enough to produce a graph too complex)

- DSM is less intuitive but can be very efficient to represent large and complex graph. We say that DSM
scalescompare to graph.

**DTangler is open source and available for the platforms VisualWorks runs on.**Read the license information here.

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