Market Data
Bitcoinity
skew (e.g. BTC options market data)
Datamish (long / shorts market data)
Glassnode (On-Chain Data and Intelligence Platform)
Coin Market Cap
CoinGecko
CoinGecko 360° Overview of Crypto Currencies
CoinGecko Q3 2017 Cryptocurrency Report PDF
CoinGecko 2017 Year-in-Review Cryptocurrency-Report PDF
CoinGecko Q1 2018 Cryptocurrency Report PDF
CoinGecko Q2 2018 Cryptocurrency Report PDF
Investing.com
Investing.com All Crypto Currencies
DailyFX – Bitcoin (German website)
Technical Analysis – Trading Charts
TradingView – Create your own charts!
Carpe Momentum Advisory Analysis
Next Bitcoin and Altcoin Cycle Ahead?
Bitcoin Cycles 2013- 2018 Update