Bebras Lodge is a tool for creating and developing interactive tasks.
Its aim is to make the process of interactive task creation quicker and simpler. The drag & drop interface makes the tool intuitive, usable by non-professional programmers, and the Javascript framework with SVG support gives you freedom to create something more complex.
In Bebras Lodge there is a short user manual and a number of nice tasks which will help you get started, it also contains documentation for creating more complex tasks.