# Overview Source: https://developers.swell.is/app-guides/overview App guides explain how to set up and use apps from the Swell App Store. To build your own app, see [Apps](https://developers.swell.is/apps/overview). ## Guides - [AfterShip](https://developers.swell.is/app-guides/aftership): Send shipments to AfterShip as trackings, and bring each shipment's delivery status back to its order. - [Airtable](https://developers.swell.is/app-guides/airtable): Sync orders, customers, products and more to an Airtable base, and write Airtable edits to names, prices and stock back to Swell. - [Algolia](https://developers.swell.is/app-guides/algolia): Keep your products in an Algolia index for storefront search, and sync your whole catalog from the dashboard. - [Brevo](https://developers.swell.is/app-guides/brevo): Sync customers to Brevo contacts and your email list, send cart and order events for your automations, and send orders to Brevo eCommerce. - [Cropster](https://developers.swell.is/app-guides/cropster): Send coffee products and paid orders to Cropster for roast production planning, and see each order's production state in Swell. - [Customer.io](https://developers.swell.is/app-guides/customerio): Send Swell customers to Customer.io as people, with their orders, shipments, abandoned carts and subscription changes as events. - [Digital Downloads](https://developers.swell.is/app-guides/digital-downloads): Sell files, links and license keys, with a private downloads page for each buyer and download limits you set. - [EasyPost](https://developers.swell.is/app-guides/easypost): Show live EasyPost rates at checkout, buy labels from your EasyPost account, and keep each order's tracking up to date. - [Fivetran](https://developers.swell.is/app-guides/fivetran): Stream your Swell store data to your warehouse through a Fivetran Webhooks connector, and backfill the records you already have. - [Google Analytics 4](https://developers.swell.is/app-guides/google-analytics-4): Send purchases, refunds and sign-ups to Google Analytics 4 from the server, joined to the shopper's browser session. - [Gorgias](https://developers.swell.is/app-guides/gorgias): Show Swell customers and their recent orders in Gorgias tickets, see open tickets on customers in Swell, and sync customers to Gorgias. - [Katana](https://developers.swell.is/app-guides/katana): Send Swell orders to Katana as sales orders, fulfill them when they're delivered in Katana, and keep Swell stock in line with Katana. - [Klaviyo](https://developers.swell.is/app-guides/klaviyo): Send checkout and order events to Klaviyo for your flows, and subscribe customers who opt in to email or SMS. - [Lexware Office](https://developers.swell.is/app-guides/lexware): Create invoices in Lexware Office when orders are paid, and credit notes when they're refunded, with the right tax type. - [Mailchimp](https://developers.swell.is/app-guides/mailchimp): Sync customers, products, carts and orders with Mailchimp for abandoned-cart emails, order notifications and segments, and bring unsubscribes back to Swell. - [Mollie](https://developers.swell.is/app-guides/mollie): Accept iDEAL, Bancontact, cards and more through Mollie's payment page, refund from Swell, and catch shoppers who pay but don't return. - [Moneybird](https://developers.swell.is/app-guides/moneybird): Create invoices in Moneybird for your orders, register their payments, and send refunds as credit invoices. - [Omnisend](https://developers.swell.is/app-guides/omnisend): Keep Omnisend up to date with your customers, carts, orders and products, and send your existing data from the dashboard. - [Outfitter](https://developers.swell.is/app-guides/outfitter): Run a merch storefront built from sections, with copy you edit on the page, product options with colorway photos, and your own colors. - [PostHog](https://developers.swell.is/app-guides/posthog): Send orders, payments, refunds and subscription changes to PostHog as server-side events, tied to each customer. - [Printful](https://developers.swell.is/app-guides/printful): Sync products from Printful, offer Printful shipping rates at checkout, and send paid orders to Printful for fulfillment. - [Razorpay](https://developers.swell.is/app-guides/razorpay): Accept card payments with Razorpay in your checkout, capture them when you choose, charge saved cards for renewals and later charges, and refund from the order. - [Resend](https://developers.swell.is/app-guides/resend): Send your order, customer and subscription emails through your own Resend account, using your Swell notification templates. - [Segment](https://developers.swell.is/app-guides/segment): Send the store events you choose to Segment, and from there to the destinations you connect in Segment. - [Sendcloud](https://developers.swell.is/app-guides/sendcloud): Send orders to Sendcloud to create shipping labels, and get parcel status and tracking back in Swell. - [sevdesk](https://developers.swell.is/app-guides/sevdesk): Create invoices in sevdesk when orders are paid, and credit notes when they're refunded, with their payments booked and the total to the cent. - [Shippo](https://developers.swell.is/app-guides/shippo): Show live Shippo rates at checkout, send paid orders to Shippo for labels, and fulfill orders in Swell with the tracking number. - [ShipStation](https://developers.swell.is/app-guides/shipstation): Send orders to ShipStation, keep edits and cancellations in step, and get labels back as Swell shipments with tracking. - [Square POS](https://developers.swell.is/app-guides/square-pos): Share one stock between your Square shop and your Swell store, and import Square till sales as paid orders with their refunds. - [Trustpilot](https://developers.swell.is/app-guides/trustpilot): Send Trustpilot review invitations after orders on your schedule, and invite past customers in bulk. - [Xero](https://developers.swell.is/app-guides/xero): Create invoices in Xero when orders are paid, and credit notes when they're refunded, with their payments recorded and the total to the cent. - [Zendesk](https://developers.swell.is/app-guides/zendesk): Sync customers to Zendesk users with their recent orders, and open tickets for failed payments, cancellations, refunds and returns. - [Zoho](https://developers.swell.is/app-guides/zoho): Sync products, customers, orders and payments with Zoho Books and Zoho Inventory, and get stock and shipments back from Zoho.