They are so many of the good project you can invest on if uou check and make research through Coinmarketcap by selecting from the top 100 and pick a coin like xrp, xlm, bnb, eth, dgb, Monero, etc.
Certainly, you cannot invest in ALL of these altcoins. Pick the best ones for you. Just open
https://coinmarketcap.com and compare the graphs of the tokens to make the choice.