# Plugins

Dai.js supports plugins, which allow a developer to add functionality (hardware wallet support, exchange support, etc.) for specific needs without increasing the size and dependency list of the core library.

### Available Plugins

1. [Trezor Plugin](https://github.com/makerdao/dai-plugin-trezor-web) for using Trezor with dai.js in a browser environment.
2. [Ledger Plugin](https://github.com/makerdao/dai-plugin-ledger-web) for using Ledger in a browser environment.
3. [Governance Plugin](https://github.com/makerdao/dai-plugin-governance) for working with the governance contracts.
4. [eth2dai Instant Plugin](https://app.gitbook.com/s/-LtJ1VeNJVW-jiKH0xoL/build/dai.js/maker/dai-plugin-eth2dai-instant) for atomic trading on maker OTC (Oasis).
5. [Maker OTC Plugin](https://github.com/makerdao/dai-plugin-maker-otc) for interacting with the maker OTC contract (Oasis).
6. [MCD Plugin](https://docs.makerdao.com/build/dai.js/the-mcd-plugin) for interacting with the multi-collateral dai contracts.
7. [SCD Plugin](https://docs.makerdao.com/build/dai.js/single-collateral-dai) for interacting with the single-collateral dai contracts.

### Building your own plugin

Check out the [Dai Plugin Template](https://github.com/makerdao/dai-plugin-template).