Free, open-source extensions to connect your shop to Exantrix, the French marketplace for makers (3D printing, DTF, custom textiles, flocking, laser cutting). WooCommerce plugin and PrestaShop module sync catalogue and stock and create marketplace orders in your shop; Shopify works with a custom app and webhooks, no install. Small JSON API with HMAC-signed webhooks for any other tool. Stripe Connect payouts, 15% commission on sales only, no subscription.