Of course Solana is still good to buy, what makes Solana still worth buying because the community is strong enough to compete in the market now, then the ecosystem is also very large so it is likely that the solana ecosystem will continue to grow.

The protocols available in the Solana ecosystem are more than 100 protocols available, more precisely 100 131 protocols that have been built so far, although some are less active. some of the data that you can see in this graph may be more understanding of why it is still worth buying and becoming one of the investment assets.
Source
DefiLlama
Tokenterminal