Top 20 NuGet observable Packages

Reactive Extensions Experimental Library containing unstable and infrequently used functionality.
Reactive Extensions Interfaces Library containing essential interfaces.
Reactive Extensions Query Library used to express complex event processing queries over observable sequences.
Reactive Extensions (Rx) provides the aliases Map, FlatMap, and Filter.
Reactive Extensions Platform Services Library used to access platform-specific functionality and enlightenment services.
Reactive Extensions (Rx) Providers Library used to build query providers and express complex event processing queries over those.
Reactive Extensions (Rx) Remoting Library used to expose observable sequences through .NET Remoting.
Windows Forms extensions library for Rx. Contains scheduler functionality for the Windows Forms UI loop.
XAML support library for Rx. Contains scheduler functionality for the UI dispatcher.
Generates TPL Task on timer, similar to Observable.Interval
ConcurrentObservableCollections based on System.Collections.Concurrent.ConcurrentCollections
Package Description
Produces from NuGet packages or reference assemblies System.Reactive Observables for all events within the specified target.
Produces from NuGet packages or reference assemblies System.Reactive Observables for all events within the specified target.
Produces from NuGet packages or reference assemblies System.Reactive Observables for all events within the specified target.
Produces from NuGet packages or reference assemblies System.Reactive Observables for all events within the specified target.