Litecoin is the second we would choose if we talk about mining. Obviously, the Litecoin is one of the top 10 in the crypto world. Moreover, litecoin mining algorithm is the scrypt algorithm. So, under the litecoin mining algorithm both GPUs and CPUs can mine this currency.
Therefore, it is a currency that is not only providing a classic top-10 reputation, but also a customization capability that no other cryptocurrency in the market would have.