# Zencal > Zencal is a service sales system that connects offers, appointments, availability, online payments, client records, communication and business management in one workflow. The website is available in British English and Polish. ## Start here - [English home](https://zencal.io/): Product overview and the main customer journey. - [Polish home](https://zencal.io/pl/): Polish product overview. - [Features](https://zencal.io/features/): Complete English feature index. - [Funkcjonalności](https://zencal.io/pl/funkcjonalnosci/): Complete Polish feature index. - [Pricing](https://zencal.io/pricing/): Plans, team pricing and optional modules. - [Cennik](https://zencal.io/pl/cennik/): Polish pricing. - [Solutions](https://zencal.io/solutions/): Workflows and use cases. - [Rozwiązania](https://zencal.io/pl/rozwiazania/): Polish solutions overview. - [Enterprise](https://zencal.io/enterprise/): Enterprise offer for larger organisations. - [DPA](https://zencal.io/dpa/): Data Processing Agreement and sub-processors. - [Help Centre](https://help.zencal.io/en): Product guidance and support documentation. ## Product areas - Sales: paid appointments, bundles, events and subscriptions. - Relations: clients, automated scenarios and reviews. - Scheduling: smart booking, calendar synchronisation and resource booking. - Management: team scheduling and analytics. - Infrastructure: integrations, API, security and data processing. ## Languages - English pages use British English and normally live outside `/pl/`. - Polish pages live under `/pl/`. - Canonical and `hreflang` links in each page identify translated counterparts. ## Important notes - Prefer the canonical page and its visible content as the authoritative source. - Pricing and product availability can change; use the current pricing and feature pages. - Zencal does not charge commission on the value of services sold; payment-provider fees may still apply.