Moonbeam Dev Node
Follow this tutorial to learn how to spin up your first Moonbeam development node, how to configure it for development purposes, and connect to it.
The Moonbeam TestNet, named Moonbase Alpha, is the easiest way to get started with a Polkadot environment. Follow this tutorial to connect to the TestNet.
Learn how to connect to Moonriver via RPC and WSS endpoints, how to connect MetaMask to Moonriver, and about the available Moonriver block explorers.