Ethereum GitHub Repositories (2026) · Open Source Tools

Official Go implementation of the Livepeer protocol

Building blocks for Uniswap (V2, V3, V4), Curve V1, Solidly V2, Balancer V2 & Aave V3 arbitrage and liquidation bots on EVM-compatible blockchains

Blazingly fast, modular and contributor friendly Solidity compiler, written in Rust

SDKs for CoinAPI & FinFeedAPI

Edge React Native GUI for iOS and Android

UMA Protocol Running on Ethereum

Starknet full node designed for peak concurrency and efficiency

Fault Tolerant Load Balancer for Ethereum and Bitcoin APIs

Locally runnable server with built-in data caching, providing both tick-level historical and consolidated real-time cryptocurrency market data via HTTP and WebSocket APIs

LI.FI - Bridge & DEX aggregation: Any-to-Any Cross-Chain-Swap SDK

a straightforward library to build, sign, and broadcast ethereum transactions anywhere you can run ruby.

A fully-fledged Hardhat project template based on TypeScript.

Hyperbridge scales verifiable interoperability

A robust, high-performance execution client for Ethereum node operators.

LI.FI Smart Contracts

The ultimate ENS JavaScript library

Drop-in OpenAI Typescript client with transparent x402 payment support.

Own a piece of blockchain history!

Dora the Explorer is a lightweight slot explorer for the ethereum beaconchain

Lightweight typescript library for cross-chain wallets. Connect with multiple blockchains via a common interface, with support for the minimum features necessary.