I'm only aware about 3 free data sources:

• EuroNext. Bonds and Equities are available. "Search by Criteria" -> select instrument -> "Data downloads".
• RBS Databank. Interest rates, FX rate, commodities and CPI
• GAIN Capital. It contains infomation about FX rates only

I'm only aware about 3 free data sources of which 1 is still working in June 2018:

• GAIN Capital. It contains infomation about FX rates only

Below ones are not available anymore:

• EuroNext. Bonds and Equities are available. "Search by Criteria" -> select instrument -> "Data downloads".
• RBS Databank. Interest rates, FX rate, commodities and CPI