read Twitter as a daily newspaper
Franz Inc. Web 3.0's Database
Collibra - Put your business into context with Semantic Data Integration and Business Metadata for SOA, EAI and BI.
Vapour, a Linked Data validator
VisiNav -- Visual Data Search and Navigation VisiNav is a system to search and navigate web data, collected from a multitude of sources. In summary, the system demonstrates how to combine data from multiple sources into a single unified view, how to search and navigate the aggregated dataset, and how to re-use query results from web data in external applications.