GALATEA architecture is based on objects. Both the agents and the main simulator are designed according to a OO layout to support distribution (of objects), modularity, scalability and interactivity as demanded by the HLA (High Level Architecture) specification. Are aiming at a flexible platform from the software engineering point of view (which is, arguably, inaccessible to final users: the modellers) but based on a family of modeller-friendly languages with enough expressiveness to allow the modellers to describe a multi-agent system in a way that makes feasible its simulation. We think that this possibility is critically dependent on domain and application specific trade-offs.

Thus, we allow the modellers to describe systems in which there are agents, but in which not everything is an agent and in which traditional discrete-event or continuous modelling techniques are good enough for most purposes (such as dealing with subsystems that required very aggregated models to make their simulation feasible at all).

GALATEA is written in Java, It directory tree is basically conformed by seven directories

/bin	Excecutables
/config	Configurations
/demos	Samples
/doc	Documentations
/galatea	Sources
/images	Images
/lib	External libraries
and the configuration/invocation files corresponding to each platform and/or available operating system.
galatea.bat	Windows
galatea.sh	Unix

At this moment GALATEA has eight libraries/packages. Kernel includes simulation engine for discreet events (glider), HLA framework (hla), toolkits for Continuous (gode) and Multi-agentes (glories). simulation.

Additionally is carrying out developments that included code traslate Galatea-Java (gcompiler) and graphic user interface (ggui) as part of Integrated Environment of Development and the toolkits for Geographical iInformation Systems (ggis) and Architectural Urban Designs (gspaces).