These two look free.
https://www.alphavantage.co/ (stocks)
http://developer.oanda.com/rest-live/rates/ (forex / cfd)
Here some forex pairs to download
http://www.forextester.com/data/datasourcesI don't know if any of this is good.
That IQFeed website looks straight from 1998. Probably most beautiful in Netscape browser.
