Top 20 NuGet algorithms Packages

A class library providing generic data structures and algorithms not implemented in the standard .NET framework.
CodeJam is a set of handy reusable .NET components that can simplify your daily work and save your time when you copy and paste your favorite helper methods and classes from one project to another.
SimMetrics is a Similarity Metric Library, e.g. from edit distance's (Levenshtein, Gotoh, Jaro etc) to other metrics, (e.g Soundex, Chapman).
.NET Client for Algorithmia Algorithms and Data API
QuickGraph provides generic directed/undirected graph datastructures and algorithms for .Net, Silverlight, Windows Phone and Win 8. QuickGraph comes with algorithms such as depth first seach, breath first search, A* search, shortest path, k-shortest path, maximum flow, minimum spanning...
A library with data structures, various algorithms and numerous extension methods.
Contains chromosome and selection classes to create Genetic Algorithms (GA), Genetic Programming (GP) and Gene Expression Programming (GEP). This package originated from the AForge.NET Framework and is now part of the Accord.NET Framework.
Calculates the sunrise and sunset for a given date and location (using Geographic Coordinates). This library uses the method outlined NOAA Solar Calculations Day spreadsheet found at http://www.esrl.noaa.gov/gmd/grad/solcalc/calcdetails.html. Calculations are based on the book "Astronomical Algorith...
An extension library for Abacaxi. This library only contains practice-related code (not useful).
High Performance Computing in C# (HPC#). Higher performance versions of Linq C# Array and List algorithms including parallel, along with additional algorithms. List and Array.SequenceEquals() 4X faster sequential, 11X faster parallel List and Array.Min() and .Max() 1.5-3X faster
Implements image-processing and computer-vision algorithms. Provides extensions for image-processing algorithms implemented in Accord.NET framework and for some image-processing algorithms implemented in AForge.NET framework.
QuickGraph provides generic directed/undirected graph datastructures and algorithms for .NET. QuickGraph comes with algorithms such as depth first seach, breath first search, A* search, shortest path, k-shortest path, maximum flow, etc...
QuickGraph provides generic directed/undirected graph data structures and algorithms for .Net, Silverlight, Windows Phone and Win 8. QuickGraph comes with algorithms such as depth first search, breath first search, A* search, shortest path, k-shortest path, maximum flow, minimum spanning...
The AForge.Genetic library contains classes to run Genetic Algorithms (GA), Genetic Programming (GP) and Gene Expression Programming (GEP). Set of chromosome and selection classes are provided. Full list of features is available on the project's web site.
Multi-Objective Evolutionary Algorithms
Estimation of Distribution Algorithms
QuickGraph provides generic directed/undirected graph datastructures and algorithms for .Net
A great library with numerous helper methods .. it has a lightweight IoC container, a light weight Object to Object mapper, an implementation for the specification pattern, several well known sorting algorithms and tons of extension and helper methods .. use it you will love it.
Swarm Intelligence
Data structures and algorithms