OpenZeppelin Contracts is a library for secure smart contract development.

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

Optimized Solidity snippets.

An Omnichain Interoperability Protocol

Solidity library for advanced fixed-point math

Multicall: Aggregate multiple constant function call results into one

Utility Solidity library composed of basic operations for tightly packed bytes arrays

CREATE3 (see EIP-3171) implemented in Solidity

A solidity library for Ethereum's RLP decoding

Gaslite's Highly Optimized Smart Contracts

Elliptic Curve arithmetic operations written in Solidity

RLP encoding in Solidity

Tonix provides basic file system functionality, as well as an interactive shell with a Unix-style command line interface.