Skip to content
@OpenZeppelin

OpenZeppelin

The standard for secure blockchain applications
README.md

Welcome to the OpenZeppelin GitHub 👋

OpenZeppelin-Banner-DarkLogo

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!

Pinned Loading

  1. openzeppelin-contracts Public

    OpenZeppelin Contracts is a library for secure smart contract development.

    Solidity 26k 12.1k

  2. openzeppelin-contracts-upgradeable Public

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

    JavaScript 1.1k 470

  3. openzeppelin-upgrades Public

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

    TypeScript 646 282

  4. ethernaut Public

    Web3/Solidity based wargame

    Solidity 2.1k 734

  5. cairo-contracts Public

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

    Rust 875 392

  6. rust-contracts-stylus Public

    A library for secure smart contract development written in Rust

    Rust 121 65

Repositories

Showing 10 of 149 repositories
  • openzeppelin-relayer Public

    OpenZeppelin Relayer

    Rust 72 AGPL-3.0 19 1 16 Updated Jul 10, 2025
  • rust-contracts-stylus Public

    A library for secure smart contract development written in Rust

    Rust 121 MIT 65 72 (7 issues need help) 10 Updated Jul 10, 2025
  • openzeppelin-monitor Public

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

    Rust 67 AGPL-3.0 19 8 16 Updated Jul 10, 2025
  • stellar-upgrader-cli Public

    CLI that help developers to upgrade stellar contracts

    Rust 2 AGPL-3.0 0 5 1 Updated Jul 10, 2025
  • cairo-contracts Public

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

    Rust 875 MIT 392 39 (4 issues need help) 14 Updated Jul 10, 2025
  • openzeppelin-contracts-upgradeable Public

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

    JavaScript 1,079 MIT 470 4 7 Updated Jul 10, 2025
  • openzeppelin-contracts Public

    OpenZeppelin Contracts is a library for secure smart contract development.

    Solidity 25,955 MIT 12,065 232 (1 issue needs help) 62 Updated Jul 10, 2025
  • compact-contracts Public

    OpenZeppelin Contracts written in Compact for Midnight

    TypeScript 10 MIT 1 85 9 Updated Jul 10, 2025
  • openzeppelin-confidential-contracts Public
    Solidity 2 MIT 3 5 4 Updated Jul 10, 2025
  • contracts-wizard Public

    Interactive smart contract generator based on OpenZeppelin Contracts.

    TypeScript 261 AGPL-3.0 169 12 (2 issues need help) 19 Updated Jul 9, 2025
View all repositories