
Hardhat
Hardhat is a professional Ethereum development environment for building, testing, and deploying smart contracts.

What is Hardhat?
Hardhat is one of the most popular development environments for building Ethereum-based decentralized applications. It provides a comprehensive toolkit for smart contract development including testing, deployment, code coverage, and code verification. Hardhat 3 features a Rust-powered runtime for running Solidity tests with outstanding performance. Developers can write unit tests in Solidity for speed, integration tests in TypeScript for expressiveness, or fuzzing tests to push edge cases. Hardhat also supports multi-chain development with OP Stack and Base simulation support. The Hardhat environment includes clear error messages with Solidity stack traces, Hardhat Ignition for simple and reliable deployments, and a composable plugin ecosystem. It integrates with Foundry and supports Solidity and Vyper smart contracts.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

