BitInfoCharts offers an extensive assortment of data but is not the most visually pleasing. Their expansive data ranges from tweets per day, wealth distribution, hash rate, and transaction value. The website also provides breakdown cross asset correlations. The website is one of the more robust sites.
CoinDance offers a more visually pleasing interfacing with limited assets (BTC, BCH). This website is best used to monitor the mining pools on the network as well as the number of nodes on the network.
Bitcoinity has a great set of data outputs, specifically for Bitcoin. They have a unique feature that aggregates the orderbook from several of the top exchanges.
SANTIMENT offers, traditional ranking services in addition to detailed look at token projects based on Ethereum. The website tracks the number of Eth tokens spent by projects, as well as the ETH treasury balances of projects. The website also tracks GitHub activity which can be considered a proxy for development activity for a given project. API is available.
The above sites represent only a selection of the many cryptocurrency data sites on the internet. Saxo Bank does not guarantee the accuracy of the information provided on the individual sites and does not maintain a relationship with any of the listed sites. Trading cryptocurrencies is a highly risky endeavour that can lead to significant losses.