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    138 repositories

    • docs

      Public
      Optimism Developer Docs
      MDX
      •281•155•41•5•Updated Nov 15, 2025Nov 15, 2025

    • op-analytics

      Public
      Onchain Data, Utilities, References, and other Analytics on Optimism
      Jupyter Notebook
      •78•150•61•18•Updated Nov 15, 2025Nov 15, 2025

    • actions

      Public
      DeFi Actions SDK for the OP Stack
      TypeScript
      •
      MIT License
      •2•16•30•11•Updated Nov 15, 2025Nov 15, 2025

    • optimism

      Public
      Optimism is Ethereum, scaled.
      ethereumrollupoptimismovml2-scaling
      Go
      •
      MIT License
      •3.8k•6.3k•546•82•Updated Nov 15, 2025Nov 15, 2025

    • superchain-ops

      Public
      superchain-ops allows builders to create and execute tasks on EVM chains.
      devopsethereummultsigoptimism-l2
      Solidity
      •
      MIT License
      •113•86•38•18•Updated Nov 14, 2025Nov 14, 2025

    • superchain-registry

      Public
      An index of chains which serves as the source of truth for who’s in the Superchain Ecosystem
      Go
      •
      MIT License
      •200•203•56•26•Updated Nov 14, 2025Nov 14, 2025

    • op-geth

      Public
      Go
      •
      GNU Lesser General Public License v3.0
      •952•374•60•41•Updated Nov 14, 2025Nov 14, 2025

    • ecosystem

      Public
      Optimism is Ethereum, scaled.
      TypeScript
      •
      MIT License
      •81•136•48•8•Updated Nov 14, 2025Nov 14, 2025

    • ethereum-optimism.github.io

      Public
      Unified token list for OP Mainnet, Base, and other OP Chains
      TypeScript
      •808•324•8•6•Updated Nov 13, 2025Nov 13, 2025

    • design-docs

      Public
      MIT License
      •48•55•9•43•Updated Nov 13, 2025Nov 13, 2025

    • infra

      Public
      Optimism is Ethereum, scaled.
      ethereumrollupinfraoptimisml2-scaling
      Go
      •
      MIT License
      •101•39•55•18•Updated Nov 13, 2025Nov 13, 2025

    • factory

      Public
      Github CI workflows to build artifacts securely
      MIT License
      •0•0•0•0•Updated Nov 13, 2025Nov 13, 2025

    • bailiff

      Public
      Go
      •4•3•0•3•Updated Nov 13, 2025Nov 13, 2025

    • specs

      Public
      OP Stack Specifications
      Python
      •
      Creative Commons Zero v1.0 Universal
      •179•150•78•25•Updated Nov 13, 2025Nov 13, 2025

    • blob-archiver

      Public
      Go
      •
      MIT License
      •74•2•0•0•Updated Nov 12, 2025Nov 12, 2025

    • Retro-Funding

      Public
      Python
      •
      MIT License
      •13•12•4•0•Updated Nov 7, 2025Nov 7, 2025

    • devnets

      Public
      Python
      •3•9•3•1•Updated Nov 6, 2025Nov 6, 2025

    • pm

      Public
      Modeled after https://github.com/ethereum/eth2.0-pm
      JavaScript
      •9•18•4•3•Updated Nov 5, 2025Nov 5, 2025

    • supersim

      Public
      Local Multi-L2 Development Environment
      Go
      •
      MIT License
      •106•258•32•13•Updated Oct 30, 2025Oct 30, 2025

    • devnet-sdk-test-setups

      Public
      Test setups for devnet-sdk to prove it's working in the wild
      Go
      •0•2•0•5•Updated Oct 30, 2025Oct 30, 2025

    • rollup-boost

      Public
      Sidecar to Enable Rollup Extensions
      Rust
      •
      MIT License
      •75•0•0•0•Updated Oct 29, 2025Oct 29, 2025

    • op-txverify

      Public
      Utilities for verifying Safe transactions
      Go
      •
      MIT License
      •2•4•1•2•Updated Oct 29, 2025Oct 29, 2025

    • forkdiff

      Public
      CLI tool to generate documentation page of git fork diff
      Go
      •
      MIT License
      •14•0•0•1•Updated Oct 28, 2025Oct 28, 2025

    • circleci-utils

      Public
      Utility to use in with circleci
      Python
      •
      MIT License
      •5•5•0•3•Updated Oct 27, 2025Oct 27, 2025

    • superchain-starter-xchain-flash-loan-example

      Public template
      Superchain interop example: Crosschain flash loan
      TypeScript
      •
      MIT License
      •57•16•0•1•Updated Oct 21, 2025Oct 21, 2025

    • superchain-starter

      Public template
      A lightweight, focused starting point for prototyping/building on the Superchain
      TypeScript
      •
      MIT License
      •57•96•3•1•Updated Oct 21, 2025Oct 21, 2025

    • superchain-starter-superchainerc20

      Public template
      Superchain interop example: SuperchainERC20 that mints initial supply on a single chain
      TypeScript
      •
      MIT License
      •57•15•0•1•Updated Oct 21, 2025Oct 21, 2025

    • superchain-starter-xchain-eth-multitransfer

      Public template
      Superchain interop example: Crosschain Multisend
      TypeScript
      •
      MIT License
      •57•5•0•1•Updated Oct 21, 2025Oct 21, 2025

    • community-hub

      Public
      Optimism Governance Docs
      MDX
      •506•415•21•45•Updated Oct 15, 2025Oct 15, 2025

    • .github

      Public template
      [Optimism] Default GitHub configuration files
      37•28•2•6•Updated Oct 7, 2025Oct 7, 2025