LocalBitcoins Free (just standard mining fee) Free Free Registering, buying, and selling Bitcoin is free. Users who create advertisements are charged 1% for every completed trade. Essentially a marketplace where you can buy Bitcoin from other people, both online and in-person. Great if you're having difficulty getting verified on other exchanges.

KuCoin Free Free Varies (see link) A new Chinese exchange that boasts a variety of harder-to-find altcoins. Have found the interface easy-to-use and the selection extensive.

Mercatox Varies per coin Free Varies per coin Trade fee is 0.25%. While the UI can seem a bit dodgy, Mercatox often lists altcoins not found on the bigger exchanges. Reasonable exchange.