What are some alternatives?
Coinbase - Bitcoin, safe and easy.
Kraken - Kraken is a robust, ultra-fast image optimizer. Thanks to its vast array of optimization algorithms Kraken is a world ahead of other tools. Want to save bandwidth and improve your website's load times? Look no further and welcome to Kraken!
Electrum - Electrum is an easy to use Bitcoin client.
LocalBitcoins.com - LocalBitcoins.com is a person-to-person bitcoin trading site.
Exodus - All-in-one app to secure, manage and exchange blockchain assets.
Bitfinex - Bitfinex is the largest and most advanced crypto-currencies trading platform.