List your ERC-20 tokens and their prices according to etherdelta best bid:
https://deltabalances.github.io/Website for tracking ICO airdrops:
https://icodrops.com/Watch most of cryptocurrencies live on specific-exchanges:
https://cryptowat.ch/Easily Calculation and Gas Fee Estimator:
https://ethgasstation.info/Wallet Explorer for Bitcoin Wawllets:
https://www.walletexplorer.com/Blockchain Activity Matrix (Number of transactions for blockchains, etc):
http://blocktivity.info/Arbitrage detections for exchanges:
https://cryptocoincharts.info/arbitragehttps://data.bitcoinity.org/markets/books/USDhttps://coingap.org/Most of Coin's purpose, category, rating:
https://coincheckup.com/Coin compare website:
https://www.cryptocompare.com/coins/#/btcNew coin news:
https://cryptopanic.com/Cryptocurrencies map and weights on crypto field:
https://cryptomaps.org/Scam Checker for crypto websites:
https://fried.com/crypto-scam-checker/Oversold and overbought coins detector:
https://rsihunter.com/List coins ATH:
https://athcoinindex.com/