Top 20 NuGet behaviour Packages

A behaviour-based activity package for any application.
This an extension to the behaviour tree library. It helps you build a tree using a fluent api.
A simple c# behaviour tree library.
Joyride's Behavior Driven Development (BDD) binding layer with built-in mobile steps
An adapter that allows Penfold to be run from TestDriven.net
A cross platform mobile framework for automating acceptance tests
A starter package paired with Joyride.Specflow to quickly get you up and running
Yet another BDD specification library for .NET
Additions to Reactive Extensions
An implementation of the triggers functionality that was available in Silverlight but is missing WinRT XAML. Supports event and property based triggers with storyboard, state and command actions. Actions can have conditions applied to them so they only fire under certain conditions.
C# behaviour tree library with a fluent API
Behaviour tree library with a fluent API for C#.
Authorization behaviour for MediatR. Extensions for Microsoft.DependencyInjection
The tasty specification framework.
GladBehavior.Tree is a C#/.NET Behavior Tree (BT) implementation that supports generic contexts/agents.
Authorization behaviour for MediatR