There are Bitcoin, and also there are Bitcoin Cash and Bitcoin Gold and B2X that we use it as an altcoin, but do we still need other altcoins? as i knew in the forum on the altcoin section there are much announcement about new altcoins almost everyday. do we still need that altcoins?
Lamden's mainnet launches in Q4 this year, I have to say that this project is promising and showing good signs of growth. Projects which can rise exponentially should be your first priority, there are some decent projects out there that you should check out.
GOLEM, TAU, NANO, and ADA. These are my fav at the moment go for these.