Linked open government data can be a catalyst in the production of value-added services and products. The vision of the presented R&D-project is to make publishing and reuse of linked data as easy as possible for the end user thanks to a thriving marketplace with data publishers, developers, and consumers along the value chain. The project develops tourism-related applications and software components that support data owners and open data enthusiasts in transforming legacy data to Linked Data. It does that by providing tightly integrated components and supports the multilingual data value chain from data exploration, extraction, enrichment, and delivery. In the paper we present first results of the project and reflections on the methodology in order to increase sustainability by focusing on users-driven development.