# Apps

StackAI connects to 70+ apps and services — from databases and cloud storage to CRMs, communication tools, and AI providers.

Each app page explains how to set up the connection, what actions are available, and how to use the node in your workflow.

### Popular integrations

<table data-view="cards"><thead><tr><th>Topic</th><th data-card-target data-type="content-ref">Page</th></tr></thead><tbody><tr><td><strong>Salesforce</strong><br>Read and write Salesforce objects, records, and workflows.</td><td><a href="apps/salesforce">salesforce</a></td></tr><tr><td><strong>SharePoint</strong><br>Access files and documents stored in SharePoint.</td><td><a href="apps/sharepoint">sharepoint</a></td></tr><tr><td><strong>Google Sheets</strong><br>Read, write, and update spreadsheet data.</td><td><a href="apps/google-sheets">google-sheets</a></td></tr><tr><td><strong>Slack</strong><br>Send messages, read channels, and trigger workflows from Slack.</td><td><a href="apps/slack">slack</a></td></tr><tr><td><strong>HubSpot</strong><br>Sync contacts, deals, and activities with HubSpot CRM.</td><td><a href="apps/hubspot">hubspot</a></td></tr><tr><td><strong>ServiceNow</strong><br>Create and update tickets and records in ServiceNow.</td><td><a href="apps/servicenow">servicenow</a></td></tr></tbody></table>

### Find your integration

* Use the sidebar to browse the full alphabetical list of integrations.
* Each page includes setup instructions, available actions, and example use cases.
* Don't see your app? Use the [**Custom API**](https://docs.stackai.com/workflow-builder/utils-logic-and-others/utils/custom-api) node to connect any REST API.