jLinq is a fully extensible Javascript library that claims to allow you to perform "LINQ style" queries on arrays of objects. Really it's a "fluent" notation like LINQ, and isn't LINQ at all, but it's still quite nice.
This article describes the solution to dupilacate rows (cartesian product) returned by nhibernate in the case of eager fetching of child collections. In short: use Linq.
An important article for dot net developers. What are Iterator Patterns? To know, read this article and see an example of Ienumerable, Ienumerator and foreach.
The F# PowerPack is a collection of libraries and tools for F#, provided by the F# team at Microsoft, but which is not part of the core F# release.
The PowerPack include features such as a basic Matrix library and supporting math types, FsLex and FsYacc tools for lexing and parsing, support for using F# with LINQ-based libraries, and a tool for generating HTML documentation from F# libraries.
Sculpture is a .NET open source Model-Driven Development code generation framework... can model your application components, and then transform this model to deployable components ... comes with ready-made molds like NHibernate, LINQ, WCF, etc
Moq (pronounced "Mock-you" or just "Mock") is a mocking library for .NET developed to take advantage of .NET 3.5 and C# 3.0 features (i.e. LINQ expression trees and lambda expressions) ... they claim it's the most productive, type-safe and refactoring-friendly mocking library available.
DryadLINQ is a Microsoft Research project, which aims to make distributed computing on clusters of computers simple enough for all programmers. DryadLINQ combines another Microsoft Research technology, Dryad, with the familiar LINQ technology from the Microsoft .NET framework.
LINQPad lets you interactively query SQL databases
in a modern query language: LINQ. Kiss goodbye to SQL Management
Studio!
it's a highly ergonomic code snippet IDE
that instantly executes any C#/VB expression, statement block or program – the ultimate in dynamic development.
Best of all, LINQPad standard edition is free and can run without installation
(or with a low-impact setup)
"Rx is a superset of the standard LINQ sequence operators that exposes asynchronous and event-based computations as push-based, observable collections via the new .NET 4.0 interfaces IObservable and IObserver. These are the mathematical dual of the familiar IEnumerable and IEnumerator interfaces for pull-based, enumerable collections in the .NET framework. "