Tooling

TypeScript library for ERC-4337 account abstraction infrastructure.

OApp standard SDK for building omnichain applications with LayerZero.

Account abstraction infrastructure: bundlers, paymasters and SDK.

Open-source toolkit for Ethereum DApp rapid prototyping and hackathons.

Complete, compact and simple Ethereum library for JS and TS.

Transaction simulator to preview outcomes before on-chain execution.

Official TypeScript and Rust SDK for building on Sui network.

Flexible blockchain indexer supporting Cosmos, Ethereum, and Substrate.

Ethereum development environment for professionals.

Payment extensions for LangChain agents to transact with stablecoins.

Web3 development platform powering 70%+ of major blockchain apps.

TypeScript interface for Ethereum: lightweight, type-safe, composable.

Instantly interact with any smart contract by ABI or address.

Blazing-fast, portable, modular Ethereum dev toolkit. Solidity’s answer to Rust.

Python framework for deploying AI agents on Solana.

Complete Web3 development platform: contracts, SDKs and infrastructure.

React Hooks for Ethereum, the de facto frontend library for dapps.

Decentralized Solidity source code verification service with IPFS storage.

Official developer kit for integrating USDT transfers on multiple chains.

Onchain UX SDK: connect any wallet to any app across any chain.

Open-source SDK letting any agent use any wallet and any onchain protocol.

Blockchain event monitoring with no-code automations and alerts.

Passwordless email-based wallets with built-in MFA.

On-chain expression language for composable smart contract logic.