There are so many altcoins with lot of features and different type of usage, some of them are fake and some of are very good.
What coin do you think technically the best among them? (Don't just judge by the popularity or by the market price. )
It depends on your focus and probably interest
For Privacy coins: Monero, Zcash and Zcoin
For ICOs: Ethereum, NEO, WAVES and Stratis
For Banking Sector: Stellar and Ripple
For IOT and AI: IOTA and Qtum
For eCommerce: Ark and Syscoin
For Storage services: Siacoin
For tipping purpose: Dogecoin :p