Skycoin (SKY) is the native coin of the Skycoin Internet platform. You’ll be able to buy the coin on the project’s website, as well as to trade it against other cryptos on a number of exchanges.
Bitcore (BTX) cryptocurrency is based on its own blockchain and was established as a hybrid fork of BTC in 2017 through creating a new empty blockchain. Bitcore is represented on a few exchanges (mainly against BTC) and wallets. You can mine this coin.
BOScoin (BOS) cryptocurrency is listed on the number of exchanges. BOScoin operates on its own Mainnet. The BOScoin team has introduced both wallet for Android devices and web wallet. With the help of the “Secret Seed”, one can export and import their account.