> ## Documentation Index
> Fetch the complete documentation index at: https://spreecommerce.org/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Extensions

> Extensions provide additional features and integrations for your Spree application. Here's a list of the most popular ones.

<Tip>
  For officially supported 3rd party integrations, please go to [Integrations](/integrations) page.
</Tip>

<AccordionGroup>
  <Accordion title="Customer Service">
    <Card title="Gladly" href="https://github.com/upsidelab/spree_gladly">
      Allows you to connect your Spree store with [Gladly](https://www.gladly.com/) service. It allows Gladly agents to see basic information about Spree customers and their orders.
    </Card>
  </Accordion>

  <Accordion title="Internationalization">
    <Card title="Spree I18n" href="https://github.com/spree-contrib/spree_i18n">
      Spree I18n is a gem that provides a way to translate Spree applications into multiple languages. It allows you to translate the UI and have different translations for product descriptions, taxons, etc to improve conversions and customer satisfaction.
    </Card>

    <Card title="Flow Commerce" href="https://github.com/mejuri-inc/flowcommerce_spree">
      Integration with Flow Commerce API for cross border selling.
    </Card>
  </Accordion>

  <Accordion title="Order Management">
    <Card title="Print Invoice" href="https://github.com/spree-contrib/spree_print_invoice">
      Create a PDF invoice for Spree orders.
    </Card>
  </Accordion>

  <Accordion title="Marketing">
    <Card title="MailChimp E-Commerce" href="https://github.com/spree-contrib/spree_mailchimp_ecommerce">
      Full Spree Mailchimp E-Commerce integration.
    </Card>
  </Accordion>

  <Accordion title="Products">
    <Card title="Volume Pricing" href="https://github.com/spree-contrib/spree_volume_pricing">
      Spree extension which supports sales volume-based pricing quantity discounts.
    </Card>

    <Card title="Products Q&A" href="https://github.com/TruemarkDev/spree_products_qa">
      Q\&A Sections for products. Logged in users can ask a question, and then admins are able to answer it. All answered and accepted questions are displayed on a product page.
    </Card>
  </Accordion>

  <Accordion title="Search">
    <Card title="SearchKick" href="https://github.com/spree-contrib/spree_searchkick">
      Adds Elasticsearch integration to Spree, powered by [searchkick](https://github.com/ankane/searchkick) gem enabling full-text searching and advanced product filtering.
    </Card>
  </Accordion>

  <Accordion title="Shipping">
    <Card title="EasyPost" href="https://github.com/ShopFelixGray/spree_easypost">
      This is an extension to integrate Easy Post into Spree.
    </Card>

    <Card title="ShipStation" href="https://github.com/MatthewKennedy/spree_shipstation">
      Connect your Spree store with ShipStation, allowing ShipStation to pull shipments from your store, and when a shipment is sent, update the order with a tracking number and mark it as shipped.
    </Card>
  </Accordion>

  <Accordion title="Social">
    <Card title="Social Login" href="https://github.com/spree-contrib/spree_social">
      Login or signup via Facebook, Twitter, Amazon and other.
    </Card>

    <Card title="Reviews" href="https://github.com/spree-contrib/spree_reviews">
      Straightforward review/rating functionality.
    </Card>
  </Accordion>

  <Accordion title="Tax Calculation">
    <Card title="Avatax" href="https://github.com/spree-contrib/spree_avatax_official">
      The new officially certified Spree Avatax Avalara extension.
    </Card>

    <Card title="TaxJar" href="https://github.com/spree-contrib/spree_taxjar">
      Spree Taxjar is a US sales tax extension for Spree using the Taxjar service.
    </Card>
  </Accordion>

  <Accordion title="Upselling">
    <Card title="Product Assembly" href="https://github.com/spree-contrib/spree-product-assembly">
      Adds the ability to make product bundles.
    </Card>

    <Card title="Related Products" href="https://github.com/spree-contrib/spree_related_products">
      Possible uses: Accessories, Cross Sells, Up Sells, Compatible Products, Replacement Products, Warranty & Support Products.
    </Card>
  </Accordion>
</AccordionGroup>