Foundry is a blazing fast, portable and modular toolkit for Ethereum
application development written in Rust.

It consists of four main tools:

- Forge: Ethereum testing framework (similar to Hardhat/Truffle)
- Cast: Swiss army knife for interacting with EVM chains, sending
  transactions, calling contracts, etc.
- Anvil: Local Ethereum development node (like Ganache)
- Chisel: Fast Solidity REPL

Useful for smart contract development, testing, and on-chain interactions
