# Calamari contracts

> The concentrated-liquidity contracts behind Calamari — one singleton pool manager, hooks, and the periphery you actually call.

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- [Calamari contracts](https://docs.calamari.trade/README.md): The concentrated-liquidity contracts behind Calamari — one singleton pool manager, hooks, and the periphery you actually call.

## Concepts

- [The singleton](https://docs.calamari.trade/concepts/the-singleton.md)
- [Pool keys](https://docs.calamari.trade/concepts/pool-keys.md)
- [Hooks](https://docs.calamari.trade/concepts/hooks.md)
- [Liquidity and ticks](https://docs.calamari.trade/concepts/liquidity.md)

## Contracts

- [Deployed addresses](https://docs.calamari.trade/contracts/addresses.md): Every Calamari contract, per network.
- [PoolManager](https://docs.calamari.trade/contracts/pool-manager.md)
- [PositionManager](https://docs.calamari.trade/contracts/position-manager.md)
- [UniversalRouter](https://docs.calamari.trade/contracts/universal-router.md)
- [Quoter and StateView](https://docs.calamari.trade/contracts/lenses.md)
- [Permit2](https://docs.calamari.trade/contracts/permit2.md)

## SDK

- [The SDK](https://docs.calamari.trade/sdk/overview.md)
- [Quickstart](https://docs.calamari.trade/sdk/quickstart.md)
- [Approvals](https://docs.calamari.trade/sdk/approvals.md)
- [Liquidity](https://docs.calamari.trade/sdk/liquidity.md)
- [Reference](https://docs.calamari.trade/sdk/reference.md)

## Guides

- [Reading pool state](https://docs.calamari.trade/guides/reading-pool-state.md)
- [Swapping](https://docs.calamari.trade/guides/swapping.md)
- [Providing liquidity](https://docs.calamari.trade/guides/providing-liquidity.md)
- [Deploying the stack](https://docs.calamari.trade/guides/deploying.md)