J2N by: NightOwl888

J2N is a library that helps bridge the gap between .NET and Java. It provides components to assist with porting Java code to .NET, such as collections, adapters, and extensions. It contains some features from Java that also make it generally useful in any .NET application.

JavaScriptEngineSwitcher.Core by: Andrey Taritsyn

JavaScript Engine Switcher determines unified interface for access to the basic features of popular JavaScript engines. This library allows you to quickly and easily switch to using of another JavaScript engine.

JavaScriptEngineSwitcher.Jint by: Andrey Taritsyn

JavaScriptEngineSwitcher.Jint contains adapter `JintJsEngine` (wrapper for the Jint JavaScript Engine (http://github.com/sebastienros/jint) version 3.0.0 Beta 1715).

JetBrains.Annotations by: JetBrains

JetBrains.Annotations help reduce false positive warnings, explicitly declare purity and nullability in your code, deal with implicit usages of members, support special semantics of APIs in ASP.NET and XAML frameworks and otherwise increase accuracy of JetBrains Rider and ReSharper code inspections.

Jint by: Sebastien Ros

Javascript interpreter for .NET which provides full ECMA 5.1 compliance.

JWT by: Alexander Batishchev John Sheehan Michael Lehenbauer

Jwt.Net, a JWT (JSON Web Token) implementation for .NET

KeraLua by: NLua

C# Native bindings of Lua 5.4 (compatible with iOS/Mac/Android/.NET/.NET Core/UWP)

LibGit2Sharp.NativeBinaries by: LibGit2Sharp contributors

Native binaries for LibGit2Sharp

Libuv by: Libuv

Multi-platform support library with a focus on asynchronous I/O.

LigerShark.WebOptimizer.Analyzers by: Mads Kristensen

WebOptimizer.Analyzers

LigerShark.WebOptimizer.Core by: LigerShark

A runtime bundler and minifier for ASP.NET Core

LinqBridge by: Atif Aziz

With Visual Studio's multi-targeting and LINQBridge, you can write LINQ to Objects (local) queries using the full power of the C# 3.0 compiler and yet create programs that require only Microsoft .NET Framework 2.0. LINQBridge is a re-implementation of all the standard query operators introduced with Microsoft .NET Framework 3.5's System.Linq.Enumerable class.

Lucene.Net by: The Apache Software Foundation

Lucene.Net is a full-text search engine library capable of advanced text analysis, indexing, and searching. It can be used to easily add search capabilities to applications. Lucene.Net is a C# port of the popular Java Lucene search engine framework from The Apache Software Foundation, targeted at .NET Framework and .NET Core users.

Lucene.Net.Analysis.Common by: The Apache Software Foundation

Analyzers for indexing content in different languages and domains for the Lucene.NET full-text search engine library from The Apache Software Foundation. Documentation: https://lucenenet.apache.org/docs/4.8.0-beta00016/api/analysis-common/overview.html This package is part of the Lucene.NET project: https://www.nuget.org/packages/Lucene.Net/4.8.0-beta00016

Lucene.Net.Queries by: The Apache Software Foundation

Extended Filters and Queries for the Lucene.NET full-text search engine library from The Apache Software Foundation. Documentation: https://lucenenet.apache.org/docs/4.8.0-beta00016/api/queries/Lucene.Net.Queries.html This package is part of the Lucene.NET project: https://www.nuget.org/packages/Lucene.Net/4.8.0-beta00016

Lucene.Net.QueryParser by: The Apache Software Foundation

Query parsers and parsing framework for the Lucene.NET full-text search engine library from The Apache Software Foundation. Documentation: https://lucenenet.apache.org/docs/4.8.0-beta00016/api/queryparser/overview.html This package is part of the Lucene.NET project: https://www.nuget.org/packages/Lucene.Net/4.8.0-beta00016

Lucene.Net.Sandbox by: The Apache Software Foundation

Various third party contributions and new ideas extensions for the Lucene.NET full-text search engine library from The Apache Software Foundation. Documentation: https://lucenenet.apache.org/docs/4.8.0-beta00016/api/sandbox/overview.html This package is part of the Lucene.NET project: https://www.nuget.org/packages/Lucene.Net/4.8.0-beta00016

MailKit by: Jeffrey Stedfast

MailKit is an Open Source cross-platform .NET mail-client library that is based on MimeKit and optimized for mobile devices. Features include: * HTTP, Socks4, Socks4a and Socks5 proxy support. * SASL Authentication via CRAM-MD5, DIGEST-MD5, LOGIN, NTLM, OAUTHBEARER, PLAIN, SCRAM-SHA-1, SCRAM-SHA-256, SCRAM-SHA-512 and XOAUTH2. * A fully-cancellable SmtpClient with support for STARTTLS, 8BITMIME, BINARYMIME, ENHANCEDSTATUSCODES, SIZE, DSN, PIPELINING and SMTPUTF8. * A fully-cancellable Pop3Client with support for STLS, UIDL, APOP, PIPELINING, UTF8, and LANG. * A fully-cancellable ImapClient with support for ACL, QUOTA, LITERAL+, IDLE, NAMESPACE, ID, CHILDREN, LOGINDISABLED, STARTTLS, MULTIAPPEND, UNSELECT, UIDPLUS, CONDSTORE, ESEARCH, SASL-IR, COMPRESS, WITHIN, ENABLE, QRESYNC, SORT, THREAD, ANNOTATE, LIST-EXTENDED, ESORT, METADATA / METADATA-SERVER, NOTIFY, FILTERS, LIST-STATUS, SORT=DISPLAY, SPECIAL-USE / CREATE-SPECIAL-USE, SEARCH=FUZZY, MOVE, UTF8=ACCEPT / UTF8=ONLY, LITERAL-, APPENDLIMIT, STATUS=SIZE, OBJECTID, REPLACE, SAVEDATE, XLIST, and X-GM-EXT1. * Client-side sorting and threading of messages (the Ordinal Subject and the Jamie Zawinski threading algorithms are supported). * Asynchronous versions of all methods that hit the network. * S/MIME, OpenPGP, DKIM and ARC support via MimeKit. * Microsoft TNEF support via MimeKit.

ManagedEsent by: Microsoft

ManagedEsent provides managed access to ESENT, the embeddable database engine native to Windows. ManagedEsent uses the esent.dll that is part of Microsoft Windows so there are no extra unmanaged binaries to download and install.

MathNet.Numerics.Signed by: Christoph Ruegg Marcus Cuda Jurgen Van Gael

Math.NET Numerics is the numerical foundation of the Math.NET project, aiming to provide methods and algorithms for numerical computations in science, engineering and every day use. Supports .Net Framework 4.0 or higher and .Net Standard 1.3 or higher, on Windows, Linux and Mac. This package contains strong-named assemblies for legacy use cases (not recommended).