Smart Signs is a dutch company that specializes in intelligent wayfinding. “Indoor Wayfinding” is one of their products. The solution guides the visitor to the right place by digital signs and/or smartphones, in a personalized and effective way. This solution adapts dynamically to the current situation of the building (i.e an elevator out of service, a closed dependency) and the visitor capabilities (mobility, language). Sodep made the design and implementation in Java of the whole backend. Standalone programs for the Signs and Web interfaces with high range of customization creating its own components such as calendars or simulators.