> For the complete documentation index, see [llms.txt](https://help.doctorlogic.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.doctorlogic.com/docs/extensions.md).

# Extensions & Integrations

- [NexHealth](https://help.doctorlogic.com/docs/extensions/nexhealth.md): Add a real-time appointment scheduling widget to your DoctorLogic website.
- [HubSpot](https://help.doctorlogic.com/docs/extensions/hubspot.md): This integration lets you automatically sync new leads from your DoctorLogic website into your HubSpot account.
- [Salesforce](https://help.doctorlogic.com/docs/extensions/salesforce.md): This integration lets you automatically sync new leads from your DoctorLogic website into your Salesforce account.
- [Facebook Pixel](https://help.doctorlogic.com/docs/extensions/facebook-pixel.md): Facebook Pixel allows you to track ad performance and key metrics from people visiting and converting on your website.
- [Google Analytics](https://help.doctorlogic.com/docs/extensions/google-analytics.md): Google Analytics is a freemium web analytics service offered by Google that tracks and reports website traffic.
- [How to Create an External GA4](https://help.doctorlogic.com/docs/extensions/google-analytics/how-to-create-an-external-ga4.md)
- [How to Create a GA4 Custom Event](https://help.doctorlogic.com/docs/extensions/google-analytics/how-to-create-a-ga4-custom-event.md)
- [Zapier](https://help.doctorlogic.com/docs/extensions/zapier-beta.md): Zapier is a service that connects your DoctorLogic website to over 1,000 web apps.


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