2. Apatar
This mashup product helps to join data sources with the the Web and Office 2.0 applications without coding. It helps in accessing data on a local network and on-demand applications and systems. Apatar can be the choice because of certain features like "Native connectivity to major Web 2.0 APIs", "Create and deploy enterprise-level data mashups", "Share, receive and re-use prebuilt integration mappings", "Opens source Architecture". Apatar is open source mashup tool and runs on Windows and Linux.

View more at: http://www.apatar.com/for_structured_data_mashups.html