> ## Documentation Index > Fetch the complete documentation index at: https://docs.arc.io/llms.txt > Use this file to discover all available pages before exploring further. # Sample apps > Open-source reference applications for building on Arc with Circle developer tools, including payment flows, stablecoin FX, DeFi protocols, multichain wallets, and treasury management. export const SampleAppCard = ({title, description, href, urlLabel, tags = [], image}) => { const dot = "w-2.5 h-2.5 rounded-full"; return
{urlLabel && {urlLabel} }
{!image &&
screenshot pending
}
{tags.length > 0 &&
{tags.map(tag => {tag} )}
}

{title}

{description}

; }; Explore sample apps for Arc. Each app is an open-source reference implementation you can clone, run locally, and adapt for your own project. ## Payments and checkout ## Wallets and treasury ## Stablecoin FX ## DeFi