Ubiq (UBQ) is the mineable coin supported by the number of exchanges. Running the “Ethereum Virtual machine”, Ubiq provides developers with the tools to create smart contracts.
Ethereum Classic appeared after Ethereum hard fork in 2016. Just like Ethereum, the platform is capable of hosting smart contracts and serves as a virtual computing machine. The native token of Ethereum Classic is ether (ETC).
Loom Network (LOOM) token is currently based on cryptocurrency Ethereum protocol. It is represented on a fair number of exchanges. Loom Network plans to be the connecting hub for various blockchains. It provides dapp developers with the tools to integrate assets from major chains, such as BTC, ETH, Binance and TRON (with EOS and Cosmos coming soon). You can also earn LOOM tokens for participating in the network as the reward or bounty.