CoinMarketCap - Crypto-currency market capitalizations.

Coingecko - CoinGecko is a free to use web-based and mobile application that provides financial market data for more than 2000 digital currencies.

Coinranking.com - A mobile-friendly list of cryptocurrencies.

CoinStats - CoinStats is a cryptocurrency research and portfolio tracker, that allows to access market data on over 3000 cryptocurrencies, track bitcoin and altcoin investments.

BitsLeader - Bitsleader is an automated portfolio management tool that is designed for people who can't afford to look at the market 24/7. bitsleader allows them to sleep peacefully. whether it's a long-term investor or short-term.

CoinLore - Cryptocurrency prices, markets, top lists, charts. Including more than 1900 coins, converter, portfolio, watch-list, news-feed and more. ❇️ Coinlore.