Web3.js is an open-source JavaScript/TypeScript library designed to enable developers to interact with EVM-compatible blockchains and develop decentralized applications (DApps).

The web3.js library has significant impact on developers working with EVM blockchains, including Optimism network. Web3.js has around 2 million downloads per month on NPM, and 10+ million CDN hits per month. There are, 4500+ library projects depending on web3.js library.

As a public good, this open-source library empowers developers to build tools and decentralized applications (dApps), thereby facilitating the creation of value on top of the Ethereum Virtual Machine (EVM) and EVM-compatible blockchains. With between 1.5 to 1.8 million downloads per month, Web3.js stands as one of the most significant libraries within the Ethereum ecosystem. The recent release of Web3.js version 4 introduces the inclusion of plugins. These allow for the extension of the web3.js library's functionality, providing developers with enhanced capabilities, flexibility, and an overall improvement in developer experience. A list of plugins can be found here: https://web3js.org/plugins