# Examples > Complete Next.js applications demonstrating Polymarket builder integration ## Overview These open-source demo applications show how to integrate Polymarket's CLOB Client and Builder Relayer Client for gasless trading with builder order attribution. Multiple wallet providers Safe & Proxy wallet support Orders, positions, CTF ops *** ## Safe Wallet Examples Deploy Gnosis Safe wallets for your users: MetaMask, Phantom, Rabby, and other browser wallets Privy embedded wallets Magic Link email/social authentication Turnkey embedded wallets ## Proxy Wallet Examples For existing Magic Link users from Polymarket.com: Auto-deploying proxy wallets for Polymarket.com Magic users *** ## What Each Demo Covers * User sign-in via wallet provider * User API credential derivation (L2 auth) * Builder config with remote signing * Signature types for Safe vs Proxy wallets * Safe wallet deployment via Relayer * Batch token approvals (USDC.e + outcome tokens) * CTF operations (split, merge, redeem) * Transaction monitoring * CLOB client initialization * Order placement with builder attribution * Position and order management * Market discovery via Gamma API