Daily FX - Charts
Currency charts useful to analyze the market in real-time.
http://www.dailyfx.com/charts/Chart.html

eSignal
Advanced charting and comprehensive technical analysis.
http://www.esignal.com/

Forex C - Charts
Different timeframes, lot of pairs, analysis tools, and free access.
http://www.forexc.com/#charts

Free Commitments of Traders Charts
Includes major pairs charts with downloadable data.
http://www.freecotcharts.com/

FxTrek Charts
Basic IntelliChart featuring the FXCM datafeed with indicators.
http://quote2.fxtrek.com/misc/fxcm2.asp

Investools Currency Trader Prophet Charts
With 30 indicators, streaming data and a customizable platform that you can access from any computer, you can analyze your trades with unparalleled speed and accuracy.
http://www.investoolsct.com/currency/free_charts.asp

MetaStock.com
Reuters range of products, which are the premier brand in the charting and technical analysis arena.
http://www.metastock.com/

Netdania - Finance Chart
Popular browser based charting applet in the forex market.
http://www.netdania.com/ChartApplet.asp

XTick
Professional charting software for forex and stocks.
http://www.xtick.com/