Bitcoin: - The mother of all cryptos and an opportunity for money saving (like gold)
ethereum: a decentralized platform with much potential for many applications in the future
IOTA: unbeatable vision, if they can handle it to get at least a piece of the internet of things cake, they can grow to heaven.
Dash: very easy and good coin for actual transactions.
Great payment option.
Neo: Much potential because of the asian market.
TenX: Good vision to make people pay with cryptos.
Great Team and much potential for the future.
RIpple/XRP: The currency of the banks?
Already many partners, well structured and professional Team,
Very serious

There are many more that look interesting to me and which I will check out closer soon.