> For the complete documentation index, see [llms.txt](https://support.onfact.eu/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.onfact.eu/apps-integrations.md).

# APPS - INTEGRATIONS

- [! Activating Apps and Integrations](https://support.onfact.eu/apps-integrations/activating-apps-and-integrations.md)
- [Are All Available Apps and Integrations Available for Free?](https://support.onfact.eu/apps-integrations/activating-apps-and-integrations/are-all-available-apps-and-integrations-available-for-free.md)
- [Additional Text Fields](https://support.onfact.eu/apps-integrations/additional-text-fields.md)
- [How Can I Insert Intertitle(s) Into Documents?](https://support.onfact.eu/apps-integrations/additional-text-fields/how-can-i-insert-intertitle-s-into-documents.md)
- [Cash Register Tickets](https://support.onfact.eu/apps-integrations/cash-register-tickets.md)
- [Complex Products](https://support.onfact.eu/apps-integrations/complex-products.md)
- [Delivery Address](https://support.onfact.eu/apps-integrations/delivery-address.md)
- [Delivery Date](https://support.onfact.eu/apps-integrations/delivery-date.md)
- [Delivery Notes](https://support.onfact.eu/apps-integrations/delivery-notes.md)
- [Discounts](https://support.onfact.eu/apps-integrations/discounts.md)
- [Empty Goods](https://support.onfact.eu/apps-integrations/empty-goods.md)
- [Foreign-Language Customers](https://support.onfact.eu/apps-integrations/foreign-language-customers.md)
- [General Ledger Accounts](https://support.onfact.eu/apps-integrations/general-ledger-accounts.md)
- [MailChimp](https://support.onfact.eu/apps-integrations/mailchimp.md)
- [Other Currencies](https://support.onfact.eu/apps-integrations/other-currencies.md)
- [Order Confirmations](https://support.onfact.eu/apps-integrations/order-confirmations.md)
- [Order Reference](https://support.onfact.eu/apps-integrations/order-reference.md)
- [Payment Requests](https://support.onfact.eu/apps-integrations/payment-requests.md)
- [Preset Emails](https://support.onfact.eu/apps-integrations/preset-emails.md)
- [Price Segmentation](https://support.onfact.eu/apps-integrations/price-segmentation.md)
- [Product Photo](https://support.onfact.eu/apps-integrations/product-photo.md)
- [Purchase Orders](https://support.onfact.eu/apps-integrations/purchase-orders.md)
- [Purchases](https://support.onfact.eu/apps-integrations/purchases.md)
- [Self-Billing Invoices](https://support.onfact.eu/apps-integrations/self-billing-invoices.md)
- [Site Address](https://support.onfact.eu/apps-integrations/site-address.md)
- [Stock Management](https://support.onfact.eu/apps-integrations/stock-management.md)
- [Subscriptions (Recurring Invoices)](https://support.onfact.eu/apps-integrations/subscriptions-recurring-invoices.md)
- [Tasks](https://support.onfact.eu/apps-integrations/tasks.md)
- [Units of Measure](https://support.onfact.eu/apps-integrations/units-of-measure.md)