Lightning Components: Security, Developer Productivity, and UI Power and Flexibility

The Lightning Component framework powers Lightning Experience, Salesforce for Android, Salesforce for iOS, and Salesforce mobile web. Use the framework to build mobile apps and pages in Salesforce for Android, Salesforce for iOS, Salesforce mobile web, Lightning Experience, Salesforce Classic, and Communities.
Available in: Salesforce Classic and Lightning Experience
Available for use in: Contact Manager, Group, Professional, Enterprise, Performance, Unlimited, and Developer Editions

Create Lightning components using the UI in Enterprise, Performance, Unlimited, Developer Editions or a sandbox.

Use out-of-the-box components or build your own components with JavaScript, HTML, CSS, Apex, or any web-enabled code.

AppExchange lets you install components created by Salesforce partners or publish your own components.

For more information, refer to the Lightning Components Developer Guide.