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OpenZeppelin · GitHub
OpenZeppelin
The standard for secure blockchain applications
Verified
We've verified that the organization OpenZeppelin controls the domain:
Welcome to the OpenZeppelin GitHub 👋
Join our developer community on Telegram!
Explore Popular Repositories
Relayer : Infrastructure for relaying transactions on EVM and Non-EVM networks.Monitor : Infrastructure tool for monitoring blockchain events and transactions.UI Builder : Open source tool for creating UI forms for contracts.
Getting Started & Resources
Documentation : learn how to integrate our libraries and tools into your project.Forum : ask questions, share insights, and get help from our community.Security Center : all the security details you need to know about OpenZeppelin ContractsDune Dashboard : real-time metrics and usage data for OpenZeppelin Contracts across various chains.
Telegram : Join our community of developers and 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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OpenZeppelin Contracts is a library for secure smart contract development.
Solidity
26.9k
12.4k
Upgradeable variant of OpenZeppelin Contracts, meant for use in upgradeable contracts.
JavaScript
1.1k
501
Plugins for Hardhat and Foundry to deploy and manage upgradeable contracts on Ethereum.
TypeScript
648
287
Web3/Solidity based wargame
Solidity
2.3k
777
OpenZeppelin Contracts written in Cairo for Starknet, a decentralized ZK Rollup
Rust
901
398
A library for secure smart contract development written in Rust
Rust
144
77
Repositories
Showing 10 of 167 repositories
OpenZeppelin/ethernaut-leaderboard’s past year of commit activity
JavaScript
14
MIT
47
2
4
Updated Dec 30, 2025
OpenZeppelin/stellar-contracts’s past year of commit activity
OpenZeppelin/openzeppelin-relayer’s past year of commit activity
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
115
AGPL-3.0
40
9
8
Updated Dec 30, 2025
midnight-apps
Public
A collection of starter dapps on Midnight Network
OpenZeppelin/midnight-apps’s past year of commit activity
TypeScript
7
MIT
8
37
16
Updated Dec 30, 2025
OpenZeppelin/openzeppelin-transpiler’s past year of commit activity
TypeScript
22
MIT
15
9
8
Updated Dec 30, 2025
OpenZeppelin/private-state-manager’s past year of commit activity
OpenZeppelin/solidity-docgen’s past year of commit activity
TypeScript
464
MIT
117
35
4
Updated Dec 29, 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
contracts-sui
Public
OpenZeppelin's secure and reusable contracts for the Sui Move ecosystem.
OpenZeppelin/contracts-sui’s past year of commit activity
Move
16
MIT
3
73
4
Updated Dec 29, 2025
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