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@OpenZeppelin

OpenZeppelin

The standard for secure blockchain applications
README.md

Welcome to the OpenZeppelin GitHub 👋

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Explore Popular Repositories

Getting Started & Resources

  1. Documentation: learn how to integrate our libraries and tools into your project.
  2. Forum: ask questions, share insights, and get help from our community.
  3. Security Center: all the security details you need to know about OpenZeppelin Contracts
  4. Dune Dashboard: real-time metrics and usage data for OpenZeppelin Contracts across various chains.

Stay Connected

  • X: Follow us for the latest announcements and updates.
  • Blog: Dive deeper into our latest articles, security best practices, and community updates.
  • Careers: Want to buld and secure open-source tools and protocols that protect the open economy? We’re hiring!

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  1. openzeppelin-contracts openzeppelin-contracts Public

    OpenZeppelin Contracts is a library for secure smart contract development.

    Solidity 26.1k 12.1k

  2. openzeppelin-contracts-upgradeable openzeppelin-contracts-upgradeable Public

    Upgradeable variant of OpenZeppelin Contracts, meant for use in upgradeable contracts.

    JavaScript 1.1k 474

  3. openzeppelin-upgrades openzeppelin-upgrades Public

    Plugins for Hardhat and Foundry to deploy and manage upgradeable contracts on Ethereum.

    TypeScript 645 281

  4. ethernaut ethernaut Public

    Web3/Solidity based wargame

    Solidity 2.2k 742

  5. cairo-contracts cairo-contracts Public

    OpenZeppelin Contracts written in Cairo for Starknet, a decentralized ZK Rollup

    Rust 880 387

  6. rust-contracts-stylus rust-contracts-stylus Public

    A library for secure smart contract development written in Rust

    Rust 125 69

Repositories

Showing 10 of 152 repositories
  • openzeppelin-inspector Public
    OpenZeppelin/openzeppelin-inspector’s past year of commit activity
    Python 2 AGPL-3.0 0 0 1 Updated Aug 13, 2025
  • openzeppelin-contracts Public

    OpenZeppelin Contracts is a library for secure smart contract development.

    OpenZeppelin/openzeppelin-contracts’s past year of commit activity
    Solidity 26,091 MIT 12,111 237 (1 issue needs help) 71 Updated Aug 14, 2025
  • minimal-rollup Public

    A minimal based rollup implementation that is easy to understand and extend

    OpenZeppelin/minimal-rollup’s past year of commit activity
    Solidity 40 MIT 7 14 5 Updated Aug 14, 2025
  • contracts-ui-builder Public

    Contracts UI Builder is an open-source blockchain development tool that helps developers and non-developers create user-friendly interfaces for smart contract interaction by providing a chain-agnostic form builder that generates standalone "mini apps" without requiring backend infrastructure.

    OpenZeppelin/contracts-ui-builder’s past year of commit activity
    TypeScript 2 AGPL-3.0 0 0 1 Updated Aug 14, 2025
  • openzeppelin-relayer Public

    OpenZeppelin Relayer

    OpenZeppelin/openzeppelin-relayer’s past year of commit activity
    Rust 85 AGPL-3.0 26 4 (2 issues need help) 7 Updated Aug 13, 2025
  • solidity-docgen Public

    Documentation generator for Solidity projects

    OpenZeppelin/solidity-docgen’s past year of commit activity
    TypeScript 462 MIT 119 34 10 Updated Aug 13, 2025
  • polkadot-runtime-templates Public

    Runtime Templates for Polkadot Parachains

    OpenZeppelin/polkadot-runtime-templates’s past year of commit activity
    Rust 87 GPL-3.0 29 43 (2 issues need help) 9 Updated Aug 13, 2025
  • compact-contracts Public

    OpenZeppelin Contracts written in Compact for Midnight

    OpenZeppelin/compact-contracts’s past year of commit activity
    TypeScript 21 MIT 7 79 6 Updated Aug 13, 2025
  • openzeppelin-monitor Public

    A blockchain monitoring service that watches for specific on-chain activities and triggers notifications based on configurable conditions.

    OpenZeppelin/openzeppelin-monitor’s past year of commit activity
    Rust 82 AGPL-3.0 23 10 10 Updated Aug 13, 2025
  • openzeppelin-upgrades Public

    Plugins for Hardhat and Foundry to deploy and manage upgradeable contracts on Ethereum.

    OpenZeppelin/openzeppelin-upgrades’s past year of commit activity
    TypeScript 645 MIT 281 92 (6 issues need help) 19 Updated Aug 13, 2025
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