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1. OpenZeppelin/openzeppelin-contracts OpenZeppelin/openzeppelin-contracts Public

   OpenZeppelin Contracts is a library for secure smart contract development.

   Solidity 27k 12.4k

2. OpenZeppelin/openzeppelin-contracts-upgradeable OpenZeppelin/openzeppelin-contracts-upgradeable Public

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

   JavaScript 1.2k 509

3. OpenZeppelin/openzeppelin-upgrades OpenZeppelin/openzeppelin-upgrades Public

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

   TypeScript 649 282

4. OpenZeppelin/merkle-tree OpenZeppelin/merkle-tree Public

   A JavaScript library to generate merkle trees and merkle proofs.

   TypeScript 523 80

5. EIP-5806 EIP-5806 Public

   Solidity 3

6. Permit Permit Public

   Solidity 32 7