# Example Cross-chain dApps and Tools

Here is the list of useful content and example Cross-chain dApps and Tools which you can analyze and try after the CCIP Masterclass.

## CCIP Starter Kit

CCIP Starter Kit consists of seven basic use-case examples

1. Transfer Tokens from EOA to EOA
2. Transfer Tokens from EOA to Smart Contract
3. Transfer Token(s) from Smart Contract to any destination
4. Send & Receive Tokens and Data
5. Send & Receive Cross-Chain Messages and Pay with Native Coins
6. Send & Receive Cross-Chain Messages and Pay with LINK Tokens
7. Execute Received Message as a Function Call

CCIP Starter Kit is currently available for Hardhat and Foundry.

* [CCIP Starter Kit Hardhat version](https://github.com/smartcontractkit/ccip-starter-kit-hardhat)
* [CCIP Starter Kit Foundry version](https://github.com/smartcontractkit/ccip-starter-kit-foundry)

## Cross-Chain Applications <a href="#post-title" id="post-title"></a>

To learn and get inspired on how to use the CCIP in "real-world" applications, you should read the [5 Ways To Build Cross-Chain Applications With CCIP ](https://blog.chain.link/how-to-use-ccip/)blog post. Projects mentioned in the blog post are:

* [Cross Chain NFT Minting](https://github.com/smartcontractkit/ccip-cross-chain-nft)
* [Cross Chain DeFi Lending](https://github.com/smartcontractkit/ccip-defi-lending)
* [Cross Chain Tic Tac Toe game](https://github.com/smartcontractkit/ccip-tic-tac-toe)
* [Cross Chain ENS](https://github.com/smartcontractkit/ccip-cross-chain-name-service)
* [Cross Chain Liquidation Saver and Interest Rate optimizer](https://github.com/smartcontractkit/ccip-liquidation-protector) (combines CCIP with Automation and Functions)

## Applications from the @chainlink/contracts-ccip package

The NPM package with CCIP-related smart contracts also has a couple of demo applications built in. Here's the syntax to import them:

* `import "@chainlink/contracts-ccip/src/v0.8/ccip/applications/CCIPClientExample.sol";`
* `import "@chainlink/contracts-ccip/src/v0.8/ccip/applications/CCIPReceiver.sol";`
* `import "@chainlink/contracts-ccip/src/v0.8/ccip/applications/DefensiveExample.sol";`
* `import "@chainlink/contracts-ccip/src/v0.8/ccip/applications/PingPongDemo.sol";`

## Examples from the Chainlink Documentation

The official documentation should always be the first stop for anyone who wants to try CCIP. It has couple of step-by-step examples:

* [Transfer Tokens example](https://docs.chain.link/ccip/tutorials/cross-chain-tokens)
* [Transfer Tokens with Data example](https://docs.chain.link/ccip/tutorials/programmable-token-transfers)
* [Transfer Tokens between EOAs example](https://docs.chain.link/ccip/tutorials/cross-chain-tokens-from-eoa)
* [Send arbitrary Data example](https://docs.chain.link/ccip/tutorials/send-arbitrary-data)
* [Offchain interaction with CCIP](https://github.com/smartcontractkit/smart-contract-examples/tree/main/ccip-offchain)


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