You opened your thread positively although you should understand bitcoin isn't like your average cryptocurrency, it has been tested over time and has proven itself to be very reliable, dependable and profitable. Concerning your title, judging from the current type of coins in the space, i don't think there's any alternative to bitcoin that can complete and probably replace it in regards to it been used.

The coin you're highlighting isn't worthy of been categories as an alternative, we have coins like Litecoin that is very similar to bitcoin but still can't be classified as an alternative due to it's inferiority to bitcoin.