Repositories list

• optimism

  Public

  ethereum-optimism/optimism’s past year of commit activity
  Optimism is Ethereum, scaled.

  ethereumrollupoptimism+ 2

  ethereumrollupoptimismovml2-scaling

  Go

  •

  MIT License

  •3.9k3.9k forks•6.4k6.4k stars•680680 issues•174174 pull requests•Updated Apr 20, 2026Apr 20, 2026

• op-analytics

  Public
  Onchain Data, Utilities, References, and other Analytics on Optimism

  Jupyter Notebook

  •8585 forks•152152 stars•6161 issues•2020 pull requests•Updated Apr 20, 2026Apr 20, 2026

• design-docs

  Public

  ethereum-optimism/design-docs’s past year of commit activity
  MIT License

  •5050 forks•5858 stars•77 issues•4040 pull requests•Updated Apr 19, 2026Apr 19, 2026

• specs

  Public
  OP Stack Specifications

  Python

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  Creative Commons Zero v1.0 Universal

  •198198 forks•170170 stars•7474 issues•2626 pull requests•Updated Apr 19, 2026Apr 19, 2026

• actions

  Public
  DeFi Actions SDK for the OP Stack

  TypeScript

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  MIT License

  •1515 forks•2525 stars•6868 issues•2525 pull requests•Updated Apr 18, 2026Apr 18, 2026

• ecosystem

  Public
  Optimism is Ethereum, scaled.

  TypeScript

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  MIT License

  •8282 forks•139139 stars•4848 issues•1818 pull requests•Updated Apr 18, 2026Apr 18, 2026

• devnets

  Public

  ethereum-optimism/devnets’s past year of commit activity
  Python

  •44 forks•1010 stars•22 issues•33 pull requests•Updated Apr 17, 2026Apr 17, 2026

• superchain-ops

  Public

  ethereum-optimism/superchain-ops’s past year of commit activity
  superchain-ops allows builders to create and execute tasks on EVM chains.

  devopsethereummultsig+ 1

  devopsethereummultsigoptimism-l2

  Solidity

  •

  MIT License

  •128128 forks•9595 stars•3838 issues•1616 pull requests•Updated Apr 17, 2026Apr 17, 2026

• ethereum-optimism.github.io

  Public

  ethereum-optimism/ethereum-optimism.github.io’s past year of commit activity
  Unified token list for OP Mainnet, Base, and other OP Chains

  TypeScript

  •847847 forks•337337 stars•99 issues•3838 pull requests•Updated Apr 17, 2026Apr 17, 2026

• monitorism

  Public

  ethereum-optimism/monitorism’s past year of commit activity
  Suite of tools for Monitoring OP Stack Chains 🔴 Offers real-time detection and Incident response capabilities ✨

  securitymonitoringoptimism+ 1

  securitymonitoringoptimismonchain

  Go

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  MIT License

  •3333 forks•3838 stars•00 issues•11 pull request•Updated Apr 17, 2026Apr 17, 2026

• infra

  Public
  Optimism is Ethereum, scaled.

  ethereumrollupinfra+ 2

  ethereumrollupinfraoptimisml2-scaling

  Go

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  MIT License

  •117117 forks•4141 stars•4040 issues•4343 pull requests•Updated Apr 17, 2026Apr 17, 2026

• bailiff

  Public
  Go

  •44 forks•44 stars•00 issues•22 pull requests•Updated Apr 16, 2026Apr 16, 2026

• factory

  Public
  Github CI workflows to build artifacts securely

  MIT License

  •11 fork•11 star•00 issues•00 pull requests•Updated Apr 16, 2026Apr 16, 2026

• op-geth

  Public
  Go

  •

  GNU Lesser General Public License v3.0

  •983983 forks•394394 stars•6262 issues•3939 pull requests•Updated Apr 15, 2026Apr 15, 2026

• rollup-boost

  Public
  Sidecar to Enable Rollup Extensions

  Rust

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  MIT License

  •8484 forks•00 stars•00 issues•77 pull requests•Updated Apr 14, 2026Apr 14, 2026

• circleci-utils

  Public
  Utility to use in with circleci

  Python

  •

  MIT License

  •66 forks•55 stars•00 issues•33 pull requests•Updated Apr 8, 2026Apr 8, 2026

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

  Public template
  Superchain interop example: Crosschain flash loan

  TypeScript

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  MIT License

  •6363 forks•1818 stars•00 issues•11 pull request•Updated Apr 6, 2026Apr 6, 2026

• superchain-starter-xchain-eth-multitransfer

  Public template
  Superchain interop example: Crosschain Multisend

  TypeScript

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  MIT License

  •6363 forks•55 stars•00 issues•11 pull request•Updated Apr 6, 2026Apr 6, 2026

• superchain-starter-superchainerc20

  Public template
  Superchain interop example: SuperchainERC20 that mints initial supply on a single chain

  TypeScript

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  MIT License

  •6363 forks•1919 stars•00 issues•11 pull request•Updated Apr 6, 2026Apr 6, 2026

• superchain-starter

  Public template
  A lightweight, focused starting point for prototyping/building on the Superchain

  TypeScript

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  MIT License

  •6363 forks•103103 stars•44 issues•11 pull request•Updated Apr 6, 2026Apr 6, 2026

• docs

  Public archive
  Optimism Developer Docs

  MDX

  •333333 forks•170170 stars•3636 issues•77 pull requests•Updated Apr 6, 2026Apr 6, 2026

• argo-cd

  Public
  Declarative Continuous Deployment for Kubernetes

  Go

  •

  Apache License 2.0

  •7.1k7.1k forks•00 stars•00 issues•1111 pull requests•Updated Apr 3, 2026Apr 3, 2026

• superchain-registry

  Public
  An index of chains which serves as the source of truth for who’s in the Superchain Ecosystem

  Go

  •

  MIT License

  •210210 forks•217217 stars•4040 issues•2424 pull requests•Updated Apr 1, 2026Apr 1, 2026

• op-injection-scanner

  Public
  MCP server for prompt injection boundary enforcement

  TypeScript

  •00 forks•00 stars•22 issues•00 pull requests•Updated Mar 10, 2026Mar 10, 2026

• OPerating-manual

  Public
  OPerating Manual of the Optimism Collective. https://optimism.io/vision

  112112 forks•191191 stars•66 issues•1414 pull requests•Updated Feb 17, 2026Feb 17, 2026

• superchain-tokenlist

  Public
  Repository for adding and managing tokens for Superchain chains.

  TypeScript

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  MIT License

  •11 fork•00 stars•00 issues•33 pull requests•Updated Feb 11, 2026Feb 11, 2026

• Retro-Funding

  Public
  Python

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  MIT License

  •1313 forks•1313 stars•44 issues•55 pull requests•Updated Feb 11, 2026Feb 11, 2026

• kurtosis-test

  Public archive
  Test runner for kurtosis

  Go

  •11 fork•22 stars•00 issues•66 pull requests•Updated Feb 10, 2026Feb 10, 2026

• forkdiff

  Public
  CLI tool to generate documentation page of git fork diff

  Go

  •

  MIT License

  •1414 forks•00 stars•00 issues•33 pull requests•Updated Feb 10, 2026Feb 10, 2026

• developers

  Public
  This repository is for builders to get technical support, from the OP Stack to app development!

  appethereumoptimism+ 1

  appethereumoptimismop-stack

  Creative Commons Zero v1.0 Universal

  •5656 forks•102102 stars•88 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026