> For the complete documentation index, see [llms.txt](https://docs.big-brain.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.big-brain.co/apps/data-cleaning/data-cleaning-form/sources.md).

# Sources

#### Sources

The available sources are

* [Parvenu](/apps/data-cleaning/data-cleaning-form/sources/parvenu.md) - best option for finding emails from Linkedin
* [Sales Navigator Search ](/apps/data-cleaning/data-cleaning-form/sources/sales-navigator-search.md)- this option does not find email addresses
* [Google Sheets](#sheets) - import your own custom data
* [Mailshake](/apps/data-cleaning/integrations/mailshake.md) - Sync Mailshake contacts with Big Brain and send them to a Linkedin campaign for multi-channel outreach. 

{% hint style="info" %}
All Google Sheets must having sharing set to publicly editable. 
{% endhint %}

You can view how to configure each source separately below. 

{% content-ref url="/pages/nA9B6rWCpCHiKpvh7qAJ" %}
[Parvenu](/apps/data-cleaning/data-cleaning-form/sources/parvenu.md)
{% endcontent-ref %}

{% content-ref url="/pages/8Dee2e4DdXfrHveZOJ6w" %}
[Sales Navigator Search](/apps/data-cleaning/data-cleaning-form/sources/sales-navigator-search.md)
{% endcontent-ref %}

{% content-ref url="/pages/4t0YNwTX8E0E8vqhK9cq" %}
[Google Sheets](/apps/data-cleaning/data-cleaning-form/destinations/google-sheets.md)
{% endcontent-ref %}

{% content-ref url="/pages/O5JhfshoQsFwj98ckXQM" %}
[Mailshake](/apps/data-cleaning/integrations/mailshake.md)
{% endcontent-ref %}