Poloniex is described as 'US-based cryptocurrency exchange with maximum security' and is an website in the Bitcoin & Cryptocurrency category. There are more than 25 alternatives to Poloniex, not only websites but also apps for a variety of platforms, including Android, iPhone, Android Tablet and Mac. The best alternative is Coinbase, which is free. Other great sites and apps similar to Poloniex are Bisq (Free, Open Source), Binance (Freemium), changelly (Free) and LocalCoinSwap (Free).
OMGfin is the pioneer in building a trading system for digital assets focused on young investors and social network. By connecting with professional investors. Omgfin is fully-EU-License Platform for exchange cryptocurrencies with fiat currency.
Real time market data on all traded Cryptocurrencies and tokens. Live data includes: Market Capitalization's, Coin Price Charts, Exchange Rates, coin Comparison, and crypto Analysis. All charting tools can be used completely FREE!
CryptoWolf is a non custodial exchange that let's you exchange your coins in a fast and simple way without registration nor verification. You can also use your debit/credit card to buy your desired cryptocurrency.