The best way to find Solana projects is to go to the Solana website itself, www.solana.com. From there, click on 'Ecosystem' from the menu bar, and you'll be ushered into a world of Solana projects.  The projects are organized into groups such as DEX projects, lending projects, DeFi projects, NFT projects, WEB3 apps, etc. In total, there are 23 categories of projects on the Solana blockchain, with NFTs and DeFi taking the lion's share.