Welcome to the Optimism Docs
Welcome to the Optimism Docs, the unified home of the Optimism Collective's technical documentation and information about the OP Stack. Information about the Optimism Collective's governance, community, and mission can be found on the Optimism Community Hub (opens in a new tab).
Builder guides
Whether you're a developer building an app on OP Mainnet, a node operator running an OP Mainnet node, or a chain operator launching your own OP Stack chain, you'll find everything you need to get started right here.
App developers
Chain operators
Node operatorsFeatured tools
Check out these amazing tools, so you can get building with Optimism.
Superchain faucetSupersimSuperchain Dev ConsoleOP Stack DevnetsSuperchain Ecosystem repoFee parameter calculatorAbout Optimism
The OP Stack is the standardized, shared, and open-source development stack that makes it easy to spin up your own production-ready Layer 2 blockchain. The Superchain is a network of OP Stack chains that share a bridging protocol, governance system, and more. We've got you covered with these detailed guides to help you learn all about Optimism's tech stack.
About the OP Stack