Free
Foundry
Open SourceSmart Contracts · Web3 & Blockchain
Blazing-fast Ethereum toolkit in Rust — forge tests in Solidity, anvil local chain and cast for contract calls.
ethereumsmart-contractssoliditytesting
Web3 & Blockchain
Smart contract tooling, web3 libraries, wallets and node infrastructure.
4 tools in Web3 & Blockchain
Free
Hardhat
Open SourceSmart Contracts · Web3 & Blockchain
The Ethereum development environment — compile, test, debug and deploy smart contracts with a rich plugin ecosystem.
ethereumsmart-contractssoliditytesting
Free
OpenZeppelin
Open SourceSmart Contracts · Web3 & Blockchain
The standard library of audited, secure smart contracts — ERC-20/721/1155 implementations, access control and upgrades.
soliditysecuritystandardssmart-contracts
Free
Remix IDE
Open SourceSmart Contracts · Web3 & Blockchain
Browser IDE for Solidity — write, compile, deploy and debug contracts with zero local setup.
solidityideethereumweb