# Overview

URL: https://zerodev.ca/docs/kora/extensions

> The modules that come with Kora and what each one adds.



Everything in Kora is a module. Turn modules on and off under **Modules** in the dashboard. Each one adds its own settings under **Configs**, its own pages and its own API routes.

<Cards>
  <Card title="Core" href="/docs/kora/extensions/core" description="Licenses, products, customers, addons, whitelists and the validation endpoint. Always on." />

  <Card title="Stores" href="/docs/kora/extensions/stores" description="Issues a license for every purchase on BuiltByBit, Tebex, Stripe, Gumroad and eight more stores, and revokes it on refunds." />

  <Card title="Discord" href="/docs/kora/extensions/discord" description="Slash commands, license claims, buyer roles, key drops, staff alerts and a live bot status." />
</Cards>

To write your own, see the [Developer Docs](/docs/kora/developer-documentation).