For samples and source code, visit the Trackable Entities Codeplex site.

The core functionality of Trackable Entities resides in a set of NuGet packages:

TrackableEntities.Common
Portable Class Library (.NET 4, SL5, WP 7.5-8.1, Win Store, iOS, Android)
- TrackingState enum:
  Unchanged, Added, Modified, Deleted
- ITrackable interface:
  TrackingState, ModifiedProperties
TrackableEntities.Client
Portable Class Library (.NET 4.5, SL5, WP 7.5-8, Win Store, iOS, Android)
- ModelBase<T> class:
  Implements ITrackable, INotifyPropertyChanged
- ChangeTrackingCollection<T>:
  Extends ObservableCollection<T>
  - Tracks entities that are added, removed or modified
  - Provides a GetChanges method retuning cloned entity updates
TrackableEntities.EF5 and TrackableEntities.EF6
.NET 4.5 Class Library
- Includes ApplyChanges extension method to DbContext
  - Walks object graph of ITrackable entities, informing DbContext of changes

The TrackableEntities VSIX installer provides a set of Visual Studio 2012 project templates:

TrackableClientEntities
- Entity.tt T4 template for reverse engineering client trackable entities
  - For use with the Entity Framework Power Tools
TrackableServiceEntitites
- Context.tt, Mapping.tt and Entity.tt T4 templates for reverse engineering
- EF Code First data context and mapping files and service trackable entities
TrackableWebApi and TrackableWcfService
- ASP.NET Mvc Web API project and WCF project
  - Includes a T4 template that customizes the built-in template for Api Controllers
  with read/write actions using Entity Framework
  - References a ServiceEntities project with generated EF classes and trackable entities
  - Code is tailored to use trackable entities with ApplyChanges extension method
- Console Client project
  - References a ClientEntities project with ChangeTrackingCollection and trackable entities

There are also samples available which demonstrate usage of Trackable Entities templates and packages:

WebApiSample, WcfSample
- Implementation of the TrackableWebApi and WCF templates
  - ReadMe file with step-by-step instructions