Tightly integrate external data sources into your apps, giving employees a unified customer view, on any device. Admins can use point-and-click tools to bring data in or connect data between Salesforce instances, and developers can code simple APEX adapters to connect data from any web service API. You can even seamlessly connect data between your Salesforce instances, no coding required.
Easily connect your Salesforce org to the external service of your choice using the External Service Wizard. Just supply some basic information, like the name of the service and its schema endpoint, and then the service will be available in Salesforce. Once connected, you can use drag-and-drop tools to add the service to an app.
Heroku Connect automatically synchronizes data between Heroku and your other Salesforce services, including the Lightning Platform. With Heroku Connect, your productivity apps built on Lightning can use services built on Heroku to deliver elasticity, data consolidation, and complex custom app architectures.  
Our powerful events engine allows you to publish and subscribe to event streams that can be embedded into workflows inside Salesforce. Trigger actions like opportunity and case creation, or publish events to trigger activities in systems outside of Salesforce.
Not yet ready to build your own integration? Find pre-integrated apps on AppExchange. These partner apps offer connections into leading enterprise software systems. With millions of installs and reviews from other customers, you can find the app that matches your business needs best. 
Learn how Salesforce enables organizations to build a unified view of their customers by uniting external and internal data across applications.