Optimism is Ethereum, scaled.

• UpdatedNov 6, 2025
• Go

Observations and tips checklist for auditing protocols on multiple chains 🧐

• UpdatedSep 2, 2024

Generative Art Marketplace

• UpdatedNov 6, 2025
• Vue

The missing drop-in solution for realtime remote form validation in Rails.

• UpdatedJan 30, 2023
• Ruby

A testnet open-source Layer 2 from the future, co-designed with the developer tools stack.

• UpdatedJul 12, 2025
• Rust

The fast blockchain messenger protocol

• UpdatedSep 23, 2025
• Go

Modular framework for creating selective indexers and featureful backends for dapps

• UpdatedNov 4, 2025
• Python

Full label data dump of top EVM chains in JSON/CSV.

• UpdatedOct 1, 2023
• Python

Monorepo for OP Stack Types, Components, and Services built in Rust.

• UpdatedNov 6, 2025
• Rust

Ambire Wallet: making self-custody easy and secure for the EVM ecosystem

• UpdatedAug 12, 2025
• JavaScript

Comprehensive EVM SDK (Ethereum, Binance Smart Chain, Avalanche, Arbitrum, Optimism, Polygon) for iOS devices, implemented on Swift. Create wallets, watch wallets (read-only), sync transactions, filter transactions by type (erc20, bep20, swap transactions etc.), swap using native DEX protocols, connect to DeFi smart contracts using WalletConnect…

• UpdatedSep 30, 2022
• Swift

A dApp enabling derivatives trading

• UpdatedFeb 7, 2024
• TypeScript

Trusted tokenlists for 29 blockchains

• UpdatedNov 24, 2022
• Python

An ERC20 token faucet on the Ethereum mainnet, layer 2s and testnets

• UpdatedApr 19, 2024
• Solidity

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

• UpdatedAug 14, 2024
• Solidity

Comprehensive EVM SDK (Ethereum, Binance Smart Chain, Avalanche, Arbitrum, Optimism, Polygon) for Android, implemented on Kotlin. Create wallets, watch wallets (read-only), sync transactions, filter transactions by type (erc20, bep20, swap transactions etc.), swap using native DEX protocols, connect to DeFi smart contracts using WalletConnect. E…

• UpdatedNov 4, 2025
• Kotlin

Interact with ethereum and EVM based chains via Zig!

• UpdatedNov 1, 2025
• Zig

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

• UpdatedMay 15, 2025

Optimism implementation on the efficiency frontier

• UpdatedNov 4, 2025
• Go

An NFT Marketplace running on ethereum, binance smart chain, polygon, avalanche, fantom, optimism and arbitrum powered by 0x smart contracts. Made in React/Next JS, MUI and Typescript.

• UpdatedFeb 24, 2025
• TypeScript