Maybe it would be helpful for somebody.


http://shabang.io - about Lightning network
https://jochen-hoenicke.de/queue/#24h - check the necessary fee to make BTC transaction
https://ethgasstation.info - check the necessary gas to make ETH/token transaction
https://www.cryptocompare.com - to analyze your portfolio.
https://coinmarketcap.com - market cap.
https://coincheckup.com/analysis/github - market cap and tools.
https://coincap.io - market cap.
https://bitscreener.com - market cap.
https://coindar.org - calendar from news
https://coinatmradar.com - Use map to find bitcoin or other cryptocurrency ATM locations.
https://coinmarketcal.com - market cap.
https://cryptocalendar.pro - calendar from news


ICOs

https://icostats.com - ICO tracker
https://icorating.com - ICO tracker
https://www.icoalert.com - ICO tracker
http://www.icocountdown.com - ICO tracker
https://icotracker.net - ICO tracker
https://tokenmarket.net - ICO tracker
https://icowatchlist.com - ICO tracker
http://bountylord.com/ - bounty
https://icodrops.com - bounty, airdrops, ICOs
https://airdropalert.com - airdrops


Trading

https://www.tradingview.com - Charts
https://bitcoinwisdom.com - Charts
https://cryptowat.ch - Charts
http://stocktime.ru

News

http://www.govtech.com/em/
https://www.reddit.com/r/ethtrader/
https://www.reddit.com/r/CryptoCurrency/
https://www.coindesk.com
https://cointelegraph.com
https://www.ccn.com
https://www.coinhills.com
https://bitcoinmagazine.com
https://www.techinasia.com
https://www.cryptoninjas.net - my favorite

Books

Owning Bitcoin
Mastering Bitcoin
Proof-of-Stake и Proof-of-Work
Bitcoin and Cryptocurrency Technologies
The Science of the Blockchain
Blockchain: Blueprint for a New Economy
Digital Gold: Bitcoin and the Inside Story of the Misfits and Millionaires Trying to Reinvent Money


https://github.com/coinpride/CryptoList 150+ sites
by alexanderisora