The basic tools of a world builder are paper and pencil. To be a world builder, you don't really need anything else. However, to smooth the path, computer technology comes in handy. And not only as a way of preserving (databases, text editors) and distributing the results (like this HTML-document), but they also offer tools to build the worlds with. From this site you can find links and tools which can help you in the task of building a world.
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