Bitfinex - Spot ExchangeProven track record. Great staff. The most liquid BTCUSD market. Find Bitfinex reps on teamspeak.

Deribit - Bitcoin OptionsUsed by Whalepool users for some time now as the prefered way to trade bitcoin options.

Binance - Altcoins TradingTrade your bitcoins for instamined and premined shitcoins. Run & administered by the ex-Okcoin CTO.

Bitmex - BTC FuturesWarning, platform very unreliableHigh leverage bitcoin/altcoin futures, very high risk.

Whalepool Live Youtube Live Bitcoin / Cryptocurrency Trading Stream 24/7/365

Whalepool Live Twitch Live Bitcoin trading analysis from traders

Whalepool GitHub Live Bitcoin trading analysis from traders

Teamspeak GuideTeamspeak Guide for beginners

Whalepool TwitterCommunity of daytraders focused on cryptocurrencies.

Fomobot Twittertries to provide useful information but sometimes sucks, regularly plagued by downtime

WhalePool TelegramInteract with traders worldwide on a variety of platforms

ShitpoolWhalepool Group for Altcoins

FX WhalePoolFXwhalepool is the new channel, come discuss traditional financial markets.

Whalepool Women TelegramWomen of whalepool can gather here

GuppypoolWhalepool for beginners

OfftopicOfftopic group for Whalepool

WhalePool Trading DojoPublic read, restricted write - for verified large volume traders

Whalepool Bitcoin FeedWhalePool Bitcoin Data Feed (Statistics, markets, news etc)