neptuo 

Behaviors extension for event handling.

Base (platform independent) support for building UI on PresentationModels.

Composite formatters support for EventSourcing.

Command validation support.

Visualization for EventSourcing Events & Commands.

Feature models (soft contract, endless extensibility).

Uniquely identify entities by key across a whole application.

Test package for SourceLink.

Generic value converters usable in any WPF project.

Serialization support for IKey to various formats.

Model definitions based on .NET types.