generated: '2026-07-20'
method: searched
source: npm registry + crates.io (author "Offchain Labs, Inc." / offchainlabs team)
packages:
- language: javascript
  registry: npm
  name: "@arbitrum/sdk"
  version: 4.1.0
  url: https://www.npmjs.com/package/@arbitrum/sdk
  install: npm install @arbitrum/sdk
  description: TypeScript library for client-side interactions with Arbitrum (bridging, messaging, retryables).
  license: Apache-2.0
  official: true
- language: javascript
  registry: npm
  name: "@arbitrum/orbit-sdk"
  version: 0.26.0
  url: https://www.npmjs.com/package/@arbitrum/orbit-sdk
  install: npm install @arbitrum/orbit-sdk
  description: TypeScript SDK for configuring, deploying, and managing Arbitrum (Orbit) chains.
  license: Apache-2.0
  official: true
- language: solidity
  registry: npm
  name: "@arbitrum/nitro-contracts"
  version: 3.2.0
  url: https://www.npmjs.com/package/@arbitrum/nitro-contracts
  install: npm install @arbitrum/nitro-contracts
  description: Layer 2 precompiles and rollup contracts for Arbitrum Nitro.
  license: BUSL-1.1
  official: true
- language: solidity
  registry: npm
  name: "@arbitrum/token-bridge-contracts"
  version: 1.2.5
  url: https://www.npmjs.com/package/@arbitrum/token-bridge-contracts
  install: npm install @arbitrum/token-bridge-contracts
  description: Smart contracts for the Arbitrum token bridge.
  license: Apache-2.0
  official: true
- language: rust
  registry: crates.io
  name: stylus-sdk
  version: 0.10.8
  url: https://crates.io/crates/stylus-sdk
  install: cargo add stylus-sdk
  description: Rust SDK for writing smart contracts with Arbitrum Stylus (WASM).
  official: true
- language: rust
  registry: crates.io
  name: cargo-stylus
  version: 0.10.8
  url: https://crates.io/crates/cargo-stylus
  install: cargo install cargo-stylus
  description: CLI tool for building, checking, and deploying Arbitrum Stylus contracts.
  official: true
- language: go
  registry: pkg.go.dev
  name: github.com/offchainlabs/nitro
  url: https://pkg.go.dev/github.com/offchainlabs/nitro
  install: go get github.com/offchainlabs/nitro
  description: Arbitrum Nitro node — the Go implementation of the Arbitrum rollup stack.
  official: true