Bisq - Bisq is an open-source desktop application that allows you to buy and sell bitcoins in exchange for national currencies, or alternative cryptocurrencies.
Coinbase - Bitcoin, safe and easy.
LocalBitcoins.com - LocalBitcoins.com is a person-to-person bitcoin trading site.
LocalMonero - Get Monero. Fast, easy and safe. Near you.
Electrum - Electrum is an easy to use Bitcoin client.
Uphold - Move, convert, transact and hold any form of money or commodity. Instantly, securely and for free.