Cysharp / ZLinq

Zero allocation LINQ with LINQ to Span, LINQ to SIMD, and LINQ to Tree (FileSystem, JSON, GameObject, etc.) for all .NET platforms and Unity, Godot.

nhibernate / nhibernate-core

NHibernate Object Relational Mapper

scottksmith95 / LINQKit

LINQKit is a free set of extensions for LINQ to SQL and Entity Framework power users.

ariacom / Seal-Report

Database Reporting Tool and Tasks (.Net)

dotnet / efcore

EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.

ldqk / Masuit.Tools

全龄段友好的C#万能工具库，码数吐司库，包含一些常用的操作类，大都是静态类，加密解密，反射操作，权重随机筛选算法，分布式短id，表达式树，linq扩展，文件压缩，多线程下载，硬件信息，字符串扩展方法，日期时间扩展操作，中国农历，大文件拷贝，图像裁剪，验证码，断点续传，集合扩展、Excel导出等常用封装。诸多功能集一身，代码量不到2MB！

AngleSharp / AngleSharp

:angel: The ultimate angle brackets parser library parsing HTML5, MathML, SVG and CSS to construct a DOM based on the official W3C specifications.

ahmetb / go-linq

.NET LINQ capabilities in Go

stevencohn / OneMore

A OneNote add-in with simple, yet powerful and useful features

linq2db / linq2db

Linq to database provider.

zio / zio-quill

Compile-time Language Integrated Queries for Scala

nhibernate / fluent-nhibernate

Fluent NHibernate!

Tim-Maes / Facet

Generate DTOs, mappings, constructors and LINQ projections from your domain models.

MoaidHathot / Dumpify

Adding `.Dump()` extension methods to Console Applications, similar to LinqPad's.

alirezanet / Gridify

Easy and optimized way to apply Filtering, Sorting, and Pagination using text-based data.

kutyel / linq.ts

🌀LINQ for TypeScript

exilon / QuickLib

Quick development library (AutoMapper, LinQ, IOC Dependency Injection, MemoryCache, Scheduled tasks, Json and Yml Config and Options pattern, Serializers, etc) with crossplatform support for Delphi/Firemonkey (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux).

fsprojects / SQLProvider

A general F# SQL database erasing type provider, supporting LINQ queries, schema exploration, individuals, CRUD operations and much more besides.

dj-nitehawk / MongoDB.Entities

A data access library for MongoDB with an elegant api, LINQ support and built-in entity relationship management

axelheer / nein-linq

NeinLinq provides helpful extensions for using LINQ providers such as Entity Framework that support only a minor subset of .NET functions, reusing functions, rewriting queries, even making them null-safe, and building dynamic queries using translatable predicates and selectors.

linqiu919 / better-context-engine

ACE-compatible code context retrieval engine: real-time codebase indexing and low-latency context for AI coding assistants