web3

There's no shortage of resources out there. This is a provisional list of some I've found useful for reference.

Ethereum Speed Run

This is a great roadmap for experienced devs looking to pick up things quickly, from community hero (and Ethereum Foundation employee) Austin Griffith

useweb3.xyz

"useWeb3 provides a curated overview of the best and latest resources on Ethereum, blockchain and Web3 development."
Made by Wes

The Complete Guide to Full Stack Ethereum Development

An amazing, comprehensive guide- and he keeps it updated.
Made by Nader Dabit