Links and Tools Collection

Crypto Exchanges

Anycoin, Netherlands
Binance, Hong Kong, 2nd place by trade volume
Bitcoin.de, Germany
Bitfinex, Hong Kong, 9th place by trading volume
Bitpanda, Austria
Bitstamp, England, ranked 35th by trading volume
Bittrex, USA
Changelly
Coinbase, United States
Coinbase Pro, USA, ranked 25th by trade volume
Cryptopia, New Zealand
HitBTC, Hong Kong, 8th place by trading volume
Huobi, Singapore, 4th place by trade volume
Kraken, USA, 24th place by trade volume
Mercatox, England
Shapeshift, Switzerland
Stock.Exchange
VirWox, Austria

Wallets

Hardwallets (hardware):
Ledger Nano S at Amazon
Ledger Blue at Amazon
Trezor at Amazon
Trezor T at Amazon
Keepkey at Amazon

Desktop wallet (software):
Electrum
Arcbit
Armory
BitcoinCore

Web Wallets (Hot Wallets, Web Interface):
Bitcoin.de (in conjunction with an Fidor Bank account)
Coinbase.de
Myetherwallet

Tools

Coinmarketcap overview of all cryptocurrencies, own watchlist
Coingecko overview of all cryptocurrencies
Changelly
Shapeshift
Bitinfocharts Ethereum Difficulty
Coinwarz Bitcoin Difficulty
Anorak.tech Bios Mods

Mining Profit Calculator

Asicminervalue - for Asic Miner
Nicehash - for Asic Miner
Coinwarz - for almost all coins
Etherscan - for Ethereum
Cryptocompare - for BTC and Altcoins
Crypto-coinz - Asic, GPU, CPU
Crypt0zone - Asic, GPU, CPU

Portfolio Tracker

Altpocket.io
Block portfolio
Cointracking.info
coin.fyi
Coincap.io
Getdelta.io
Coindexapp
Drakdoo

ICO-Data and News

Platform.tokens-economy.com - very detailed data on current tokens
Icowatchlist.com - static tactics and data on ICO
Cryptopanic.com - up-to-date ICO news and info
Coinmarketcal.com - Dates for upcoming ICO
Coinscalendar - Telegram chat group
Coinspeaker.com - ICO Market Analysis

Crypto News

reddit.com/r/CryptoCurrency - largest forum in the crypto world
Bitcointalk.org - Forum
Base58.de News
Btc-Echo News
Bitcoinist News
Coindesk News
Coincierge News
Cointelegraph News

Other

Bitcoin meeting - find bitcoin friends up close to you