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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 25.7k 12k

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

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

    JavaScript 1.1k 458

  3. openzeppelin-upgrades openzeppelin-upgrades Public

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

    TypeScript 642 277

  4. ethernaut ethernaut Public

    Web3/Solidity based wargame

    Solidity 2.1k 719

  5. cairo-contracts cairo-contracts Public

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

    Rust 863 387

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

    A library for secure smart contract development written in Rust

    Rust 118 54

Repositories

Showing 10 of 142 repositories
  • ethernaut-leaderboard Public
    OpenZeppelin/ethernaut-leaderboard’s past year of commit activity
    JavaScript 14 MIT 46 1 4 Updated May 8, 2025
  • openzeppelin-community-contracts Public

    Solidity library of smart contracts from the OpenZeppelin Community

    OpenZeppelin/openzeppelin-community-contracts’s past year of commit activity
    Solidity 53 MIT 16 7 18 Updated May 8, 2025
  • solidity-ast Public

    TypeScript types and a JSON Schema for the Solidity AST

    OpenZeppelin/solidity-ast’s past year of commit activity
    JavaScript 95 MIT 29 2 1 Updated May 8, 2025
  • defender-sdk Public

    Defender SDK

    OpenZeppelin/defender-sdk’s past year of commit activity
    TypeScript 26 MIT 16 3 50 Updated May 8, 2025
  • defender-docs Public

    Security Management to Protect the Open Economy

    OpenZeppelin/defender-docs’s past year of commit activity
    34 45 6 (1 issue needs help) 7 Updated May 8, 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 48 AGPL-3.0 10 1 12 Updated May 7, 2025
  • openzeppelin-contracts-upgradeable Public

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

    OpenZeppelin/openzeppelin-contracts-upgradeable’s past year of commit activity
    JavaScript 1,058 MIT 458 4 7 Updated May 7, 2025
  • openzeppelin-contracts Public

    OpenZeppelin Contracts is a library for secure smart contract development.

    OpenZeppelin/openzeppelin-contracts’s past year of commit activity
    Solidity 25,740 MIT 12,024 225 (1 issue needs help) 66 Updated May 7, 2025
  • openzeppelin-relayer Public

    OpenZeppelin Relayer

    OpenZeppelin/openzeppelin-relayer’s past year of commit activity
    Rust 48 AGPL-3.0 11 2 10 Updated May 7, 2025
  • rust-contracts-stylus Public

    A library for secure smart contract development written in Rust

    OpenZeppelin/rust-contracts-stylus’s past year of commit activity
    Rust 118 MIT 54 71 (9 issues need help) 13 Updated May 7, 2025
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