Abstract-- In this article we present a visual development environment for writing DyLOG programs, explaining the motivations to this work and the main design choices. We will also analyze the main components of the system and the features offered to the user. The visual environment encompasses a fully new implementation of the DyLOG language, where Java is used instead of Sicstus Prolog, and an OWL ontology that will allow the use of the language in Semantic Web applications.