This one does a pretty good job for a free one - their live streaming is usually close to real-time. Just got to get used to navigating it - the charts have some clever features. https://www.investing.com/
See the "Search" in upper right side of each page? https://www.elitetrader.com/et/thre...a-for-stocks-and-indices.306365/#post-4399638
Not free, but the cheapest one - www.anfutures.com, about 6-10 USD per year. The data is of limited list of products, unfortunately. Looks good enough to start learning markets.