BooleanDisposable Represents a disposable resource that can be checked for disposal status.

 CancellationDisposable Represents a disposable resource that has an associated that will be set to the cancellation requested state upon disposal.

 CompositeDisposable Represents a group of disposable resources that are disposed together.

 ContextDisposable Represents a disposable resource whose disposal invocation will be posted to the specified .

 MultipleAssignmentDisposable Represents a disposable resource whose underlying disposable resource can be swapped for another disposable resource.

 RefCountDisposable Represents a disposable resource that only disposes its underlying disposable resource when all dependent disposable objects have been disposed.

 ScheduledDisposable Represents a disposable resource whose disposal invocation will be scheduled on the specified .

 SerialDisposable Represents a disposable resource whose underlying disposable resource can be replaced by another disposable resource, causing automatic disposal of the previous underlying disposable resource.

 SingleAssignmentDisposable Represents a disposable resource which only allows a single assignment of its underlying disposable resource. If an underlying disposable resource has already been set, future attempts to set the underlying disposable resource will throw an .

 Disposable Provides a set of static methods for creating objects.

 StableCompositeDisposable Represents a group of disposable resources that are disposed together.

 ICancelable Disposable resource with disposal state tracking.