path: root/README.md

<img src="https://github.com/0xProject/branding/blob/master/0x_Black_CMYK.png" width="200px" >

---

[0x][website-url] is an open protocol that facilitates trustless, low friction exchange of Ethereum-based assets. A full description of the protocol may be found in our [whitepaper][whitepaper-url].

This repository contains all the 0x developer tools written in TypeScript. Our hope is that these tools make it easy to build Relayers and other DApps that use the 0x protocol.

[website-url]: https://0xproject.com/
[whitepaper-url]: https://0xproject.com/pdfs/0x_white_paper.pdf

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### Published Packages

| Package | Version | Description |
|---------|---------|-------------|
| [`0x.js`](/packages/0x.js) | [![npm](https://img.shields.io/npm/v/0x.js.svg)](https://www.npmjs.com/package/0x.js) | A Javascript library for interacting with the 0x protocol |
| [`@0xproject/abi-gen`](/packages/abi-gen) | [![npm](https://img.shields.io/npm/v/@0xproject/abi-gen.svg)](https://www.npmjs.com/package/@0xproject/abi-gen) | Tool to generate TS wrappers from smart contract ABIs |
| [`@0xproject/assert`](/packages/assert) | [![npm](https://img.shields.io/npm/v/@0xproject/assert.svg)](https://www.npmjs.com/package/@0xproject/assert) | Type and schema assertions used by our packages |
| [`@0xproject/connect`](/packages/connect) | [![npm](https://img.shields.io/npm/v/@0xproject/connect.svg)](https://www.npmjs.com/package/@0xproject/connect) | A Javascript library for interacting with the standard relayer api |
| [`@0xproject/json-schemas`](/packages/json-schemas) | [![npm](https://img.shields.io/npm/v/@0xproject/json-schemas.svg)](https://www.npmjs.com/package/@0xproject/json-schemas) | 0x-related json schemas |
| [`@0xproject/subproviders`](/packages/subproviders) | [![npm](https://img.shields.io/npm/v/@0xproject/subproviders.svg)](https://www.npmjs.com/package/@0xproject/subproviders) | Useful web3 subproviders (e.g LedgerSubprovider) |
| [`@0xproject/tslint-config`](/packages/tslint-config) | [![npm](https://img.shields.io/npm/v/@0xproject/tslint-config.svg)](https://www.npmjs.com/package/@0xproject/tslint-config) | Custom 0x development TSLint rules |
| [`@0xproject/types`](/packages/types) | [![npm](https://img.shields.io/npm/v/@0xproject/types.svg)](https://www.npmjs.com/package/@0xproject/types) | Shared type declarations |
| [`@0xproject/utils`](/packages/utils) | [![npm](https://img.shields.io/npm/v/@0xproject/utils.svg)](https://www.npmjs.com/package/@0xproject/utils) | Shared utilities |
| [`@0xproject/web3-wrapper`](/packages/web3-wrapper) | [![npm](https://img.shields.io/npm/v/@0xproject/web3-wrapper.svg)](https://www.npmjs.com/package/@0xproject/web3-wrapper) | Web3 wrapper |

### Private Packages

| Package | Description |
|---------|-------------|
| [`@0xproject/contracts`](/packages/contracts) | 0x solidity smart contracts & tests |
| [`@0xproject/kovan_faucets`](/packages/kovan-faucets) | A faucet micro-service that dispenses test ERC20 tokens or Ether |
| [`@0xproject/monorepo-scripts`](/packages/monorepo-scripts) | Shared monorepo scripts |
| [`@0xproject/website`](/packages/website) | 0x website & Portal DApp |