Dapper - a simple object mapper for .Net

Simple, unambitious mediator implementation in .NET

A simple library for creating state machines in C# code

Machine learning, computer vision, statistics and general scientific computing for .NET

Extensible tool for weaving .net assemblies

A framework for building messaging apps with .NET and C#.

Rules engine for .NET, based on the Rete matching algorithm, with internal DSL in C#.

A fluent API for .Net that can enforce architectural rules in unit tests.

Solr client for .Net

NxBRE is a lightweight Business Rule Engine (aka Rule Based Engine) for the .NET platform.

A C# client object model to help integrate with InfluxDB with CLI languages. Supports both .Net traditional and .Net Core.