Site: cumrocket.io
Similar coins
Einsteinium (EMC2) coin was released in 2014. It is mineable and can be traded. You can also buy it in exchange for other cryptos (the buying option for fiat is not available yet).
Feathercoin (FTC) received its name because its idea is to be “lighter than light”, due to instant transactions and faster processing of blocks. 
Matrix AI Network (MAN) is the coin of the Matrix AI network. It is listed on several exchanges. You can trade MAN against USD on Bitfinex.