Decker

O Foundry é um conjunto de ferramentas em Rust rápido e portátil para engenharia de contratos inteligentes do Ethereum que gerencia dependências, compila Solidity, executa testes de fuzzing e de unidade, implanta contratos e conduz a interação com a cadeia por meio de scripts a partir do terminal ou de scripts de automação em Solidity.

PoWFaucet is a modular testnet faucet for EVM chains with anti-abuse methods including a mining puzzle, captcha, IP limits, and Gitcoin Passport, and it backs the Sepolia proof-of-work faucet. Teams running a testnet self-host it to hand out test ETH without giving it all to one address.

hardhat-deploy is a Hardhat plugin for replicable deployments with named accounts, proxies, and diamonds. Builders install it when deployments must be repeatable across networks and track upgradeable contracts.