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OpenZeppelin Contracts
Contract tooling

OpenZeppelin Contracts

Smart contract libraries & utilities

Cross-chain · Governance · ERC-721 · Upgradeable contracts · Modular accounts · Interactive tools · Merkle trees

Website (opens in a new tab)Social (opens in a new tab)OpenZeppelin/openzeppelin-contracts(27K ☆) (opens in a new tab)OpenZeppelin/openzeppelin-contracts-upgradeable(1.2K ☆) (opens in a new tab)OpenZeppelin/openzeppelin-upgrades(658 ☆) (opens in a new tab)OpenZeppelin/merkle-tree(536 ☆) (opens in a new tab)OpenZeppelin/contracts-wizard(293 ☆) (opens in a new tab)OpenZeppelin/openzeppelin-foundry-upgrades(256 ☆) (opens in a new tab)OpenZeppelin/openzeppelin-subgraphs(145 ☆) (opens in a new tab)openzeppelin/openzeppelin-community-contracts(89 ☆) (opens in a new tab)

OpenZeppelin Contracts are the go-to library for smart contract development.

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