Forex C - Quotes
Real-time quotes of over 50 pairs. Most traded pairs are included. Free access.
http://www.forexc.com/#quotes

Forex Street - Currency Rates
Live foreign exchange rates for major pairs. Free access.
http://www.fxstreet.com/rates-charts/currency-rates/

Forex-Markets - Quotes
Includes 13 pairs quotes updated in real-time. Free access.
http://www.forex-markets.com/quotes.htm