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OpenZeppelin

The standard for secure blockchain applications

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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 26k 12.1k

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

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

    JavaScript 1.1k 471

  3. openzeppelin-upgrades openzeppelin-upgrades Public

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

    TypeScript 646 281

  4. ethernaut ethernaut Public

    Web3/Solidity based wargame

    Solidity 2.2k 735

  5. cairo-contracts cairo-contracts Public

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

    Rust 875 389

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

    A library for secure smart contract development written in Rust

    Rust 121 66

Repositories

Showing 10 of 149 repositories
  • 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 121 MIT 66 70 (7 issues need help) 8 Updated Jul 21, 2025
  • stellar-contracts Public

    OpenZeppelin Contracts written in Rust for Stellar Soroban

    OpenZeppelin/stellar-contracts’s past year of commit activity
    Rust 43 MIT 23 17 (1 issue needs help) 5 Updated Jul 21, 2025
  • compact-contracts Public

    OpenZeppelin Contracts written in Compact for Midnight

    OpenZeppelin/compact-contracts’s past year of commit activity
    TypeScript 18 MIT 4 85 6 Updated Jul 21, 2025
  • openzeppelin-relayer-sdk Public

    OpenZeppelin Relayer SDK

    OpenZeppelin/openzeppelin-relayer-sdk’s past year of commit activity
    TypeScript 6 AGPL-3.0 1 0 12 Updated Jul 21, 2025
  • soroban-helpers Public

    A collection of Rust libraries designed to simplify development and testing with Soroban, the smart contract platform for the Stellar network.

    OpenZeppelin/soroban-helpers’s past year of commit activity
    Rust 0 MIT 1 4 3 Updated Jul 21, 2025
  • polkadot-runtime-templates Public

    Runtime Templates for Polkadot Parachains

    OpenZeppelin/polkadot-runtime-templates’s past year of commit activity
    Rust 85 GPL-3.0 27 44 (2 issues need help) 9 Updated Jul 21, 2025
  • moonbeam Public Forked from moonbeam-foundation/moonbeam

    An Ethereum-compatible smart contract parachain on Polkadot

    OpenZeppelin/moonbeam’s past year of commit activity
    Rust 1 GPL-3.0 403 0 2 Updated Jul 20, 2025
  • frontier Public Forked from polkadot-evm/frontier

    Ethereum compatibility layer for Substrate.

    OpenZeppelin/frontier’s past year of commit activity
    Rust 2 Apache-2.0 557 0 2 Updated Jul 20, 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 62 MIT 20 8 24 Updated Jul 20, 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 74 AGPL-3.0 20 9 15 Updated Jul 20, 2025