WireCloud is a platform for developing web mashups and visualizing data and applications. It allows users to integrate different data sources, applications, and UI components to create customized applications. Developers can create reusable widgets and operators using standard web technologies. Users can assemble these components visually into mashups without programming. The platform also supports consuming external APIs and FIWARE services. WireCloud fosters sharing of mashups and components through public offerings in its app store.