OpenZeppelin Contracts is a library for secure smart contract development.

Modern, opinionated, and gas optimized building blocks for smart contract development.

Optimized Solidity snippets.

Multicall: Aggregate multiple constant function call results into one

Open-Source Libraries for Solidity by ABDK Consulting

Gas-Efficient Solidity DateTime Library

A menagerie of auction mechanisms implemented in Solidity

Golang and Solidity SDK to make Ethereum development ethier

BokkyPooBah's Red-Black Binary Search Tree Library

is a gas efficient, storage agnostic, on-chain HTML builder optimised for stitching together large JavaScript based tags.

Solidity - Self-Balancing Binary Search Tree with Order Statistics

RARE art labs

smart contracts for https://spellsnft.com/