📜 "Coinbase Verifications" is a set of Coinbase-verified onchain attestations that enable access to apps and other onchain benefits.

• Updated Aug 14, 2024
• Solidity

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

• Updated Feb 9, 2026

Hildr is an OP Stack rollup client written in latest Java.

• Updated Jan 19, 2025
• Java

Bridge for op-stack Superchains. Supports the vanilla op-stack chain and custom gas token L2s

• Updated Oct 2, 2025
• JavaScript

build your mainnet using op stack!

• Updated Oct 14, 2025
• Shell

Deploy your own rollup on Ethereum with op-stack-deployer.

• Updated Feb 10, 2025
• Go

Standard Tests for OP Stack Component Implementations.

• Updated Nov 11, 2024
• Rust

Optimism-Python: Unofficial Python Client for the OP-Stack

• Updated Nov 1, 2024
• Python

A Collection of Newsletters sharing progress updates.

• Updated Jan 6, 2025
• Handlebars

Open Work is a fully onchain todo list app on Base to give people insight into what you're working on

• Updated Sep 27, 2024
• Solidity

Optimism execution client written in Java based Hyperledger besu.

• Updated Mar 21, 2025
• Java

Get started and learn more about using Base. Base is a secure, low-cost and developer-friendly Ethereum layer-two network designed to bring the next billion users onchain.

• Updated Nov 13, 2023
• SCSS

Get addresses that interacted with an address on Ethereum and Base

• Updated Jun 2, 2024
• Python

Current disk space requirements for Base chain data when restoring from snapshot

• Updated Apr 23, 2025
• TypeScript

Extracts URLs from projects on base.org/ecosystem

• Updated Dec 16, 2024
• JavaScript

Flaskframe combines Flask with Frames to turn casts into interactive apps. Use frames to build polls, feeds, galleries and more.

• Updated Jan 28, 2024
• Python

A suite of portable `std` components for the OP Stack built in rust.

• Updated Aug 9, 2024
• Rust

First and Based: Be the first person to mint a unique NFT in each new block on Base

• Updated Apr 4, 2024
• Solidity

Automatic Dialogflow chatbot creation using OpenAI-Pinecone stack. OpenAI Embeddings & Completions APIs, Pinecone, Dialogflow API

• Updated May 1, 2023
• JavaScript

Web app and smart contract bundle for cross-chain KYC DAO verification - 1st place at Superhack 2023 (LayerZero) 🏆

• Updated Aug 13, 2023
• Solidity