SharePoint on-prem data integration

Since eight years, starting with Microsoft SharePoint Server 2007, Layer2 has been offering class-leading solutions for SharePoint on-premises external data integration. 150+ widely used IT systems and apps can be fully integrated with SharePoint with the help of the Layer2 Business Data List Connector for SharePoint in just minutes. All the great SharePoint list features are available for your external data, such as views, search, mobile and offline access, forms, change notifications, workflows on external data change, Flow, and PowerApps. Please find detailed connectivity settings, best-practices, known issues, and workarounds for your desired system below.

In case you are looking for Office 365 or SharePoint Online integration, you will find a similar tool here.