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    137 repositories

    • op-analytics

      Public
      Onchain Data, Utilities, References, and other Analytics on Optimism
      Jupyter Notebook
      •77•151•61•18•Updated Nov 1, 2025Nov 1, 2025

    • actions

      Public
      DeFi Actions SDK for the OP Stack
      TypeScript
      •
      MIT License
      •2•16•27•13•Updated Nov 1, 2025Nov 1, 2025

    • optimism

      Public
      Optimism is Ethereum, scaled.
      ethereumrollupoptimismovml2-scaling
      Go
      •
      MIT License
      •3.8k•6.3k•547•82•Updated Nov 1, 2025Nov 1, 2025

    • docs

      Public
      Optimism Developer Docs
      MDX
      •276•151•44•9•Updated Oct 31, 2025Oct 31, 2025

    • design-docs

      Public
      MIT License
      •48•55•8•42•Updated Oct 31, 2025Oct 31, 2025

    • superchain-ops

      Public
      superchain-ops allows builders to create and execute tasks on EVM chains.
      devopsethereummultsigoptimism-l2
      Solidity
      •
      MIT License
      •111•85•37•25•Updated Oct 31, 2025Oct 31, 2025

    • ethereum-optimism.github.io

      Public
      Unified token list for OP Mainnet, Base, and other OP Chains
      TypeScript
      •804•320•8•10•Updated Oct 31, 2025Oct 31, 2025

    • devnets

      Public
      Python
      •3•9•3•2•Updated Oct 31, 2025Oct 31, 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
      •198•198•57•26•Updated Oct 31, 2025Oct 31, 2025

    • specs

      Public
      OP Stack Specifications
      Python
      •
      Creative Commons Zero v1.0 Universal
      •179•148•79•28•Updated Oct 31, 2025Oct 31, 2025

    • infra

      Public
      Optimism is Ethereum, scaled.
      ethereumrollupinfraoptimisml2-scaling
      Go
      •
      MIT License
      •95•38•57•17•Updated Oct 31, 2025Oct 31, 2025

    • op-geth

      Public
      Go
      •
      GNU Lesser General Public License v3.0
      •936•373•60•43•Updated Oct 31, 2025Oct 31, 2025

    • supersim

      Public
      Local Multi-L2 Development Environment
      Go
      •
      MIT License
      •106•257•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
      •74•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

    • pm

      Public
      Modeled after https://github.com/ethereum/eth2.0-pm
      JavaScript
      •9•18•4•3•Updated Oct 28, 2025Oct 28, 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
      •55•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
      •55•92•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
      •55•15•0•1•Updated Oct 21, 2025Oct 21, 2025

    • superchain-starter-xchain-eth-multitransfer

      Public template
      Superchain interop example: Crosschain Multisend
      TypeScript
      •
      MIT License
      •55•5•0•1•Updated Oct 21, 2025Oct 21, 2025

    • community-hub

      Public
      Optimism Governance Docs
      MDX
      •506•415•21•44•Updated Oct 15, 2025Oct 15, 2025

    • Retro-Funding

      Public
      Python
      •
      MIT License
      •13•12•4•0•Updated Oct 9, 2025Oct 9, 2025

    • .github

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

    • superchain-tokenlist

      Public
      Repository for adding and managing tokens for Superchain chains.
      TypeScript
      •
      MIT License
      •1•0•0•2•Updated Oct 2, 2025Oct 2, 2025

    • OPerating-manual

      Public
      OPerating Manual of the Optimism Collective. https://optimism.io/vision
      91•168•5•15•Updated Oct 2, 2025Oct 2, 2025

    • blob-archiver

      Public
      Go
      •
      MIT License
      •74•2•0•0•Updated Oct 1, 2025Oct 1, 2025

    • go-ethereum-hdwallet

      Public
      Ethereum HD Wallet derivations in Go (golang)
      Go
      •
      MIT License
      •290•9•0•2•Updated Oct 1, 2025Oct 1, 2025