log4net by: The Apache Software Foundation

log4net is a tool to help the programmer output log statements to a variety of output targets. In case of problems with an application, it is helpful to enable logging so that the problem can be located. With log4net it is possible to enable logging at runtime without modifying the application binary. The log4net package is designed so that log statements can remain in shipped code without incurring a high performance cost. It follows that the speed of logging (or rather not logging) is crucial. At the same time, log output can be so voluminous that it quickly becomes overwhelming. One of the distinctive features of log4net is the notion of hierarchical loggers. Using these loggers it is possible to selectively control which log statements are output at arbitrary granularity. log4net is designed with two distinct goals in mind: speed and flexibility

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 5.0 or higher, .NET Standard 2.0 and .NET Framework 4.6.1 or higher, on Windows, Linux and Mac. This package contains strong-named assemblies for legacy use cases (not recommended).

Mapster by: chaowlert eric_swann andrerav

A fast, fun and stimulating object to object mapper. Kind of like AutoMapper, just simpler and way, way faster.

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 ANONYMOUS, 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.

lz4net by: Milosz Krajewski

LZ4 is lossless compression algorithm, sacrificing compression ratio for compression/decompression speed. Its compression speed is ~400 MB/s per core while decompression speed reaches ~2 GB/s, not far from RAM speed limits. LZ4net brings LZ4 to all (most?) .NET platforms: .NET 2.0+, .NET Core, Mono, Windows Phone, Xamarin.iOS, Xamarin.Android and Silverlight

LiteDB by: Maurício David

LiteDB - A lightweight embedded .NET NoSQL document store in a single datafile

MassTransit by: Chris Patterson

MassTransit provides a developer-focused, modern platform for creating distributed applications without complexity.

MediaInfo.DotNetWrapper by: Yaroslav V Tatarenko Stef Heyenrath

MediaInfo.DotNetWrapper is a wrappper for the MediaInfo.dll (https://mediaarea.net/en/MediaInfo). MediaInfo is a convenient unified display of the most relevant technical and tag data for video and audio files.

MassTransit.Abstractions by: Chris Patterson

MassTransit provides a developer-focused, modern platform for creating distributed applications without complexity.

LijsDev.CrystalReportsRunner.Core by: Muhammad Azeez and Gerardo Lijs

API needed to use Crystal Reports Runner from caller applications.

Mapster.Core by: chaowlert eric_swann andrerav

Lightweight library for Mapster and Mapster CodeGen

Macross.Json.Extensions by: Macross.Json.Extensions

Macross Software Json extensions library. Provides helpers & converters for the System.Text.Json API and push stream types for the System.Net.Http API. Commonly Used Types: System.Text.Json.Utf8JsonStreamReader System.Text.Json.Serialization.JsonStringEnumMemberConverter System.Text.Json.Serialization.JsonMicrosoftDateTimeConverter System.Text.Json.Serialization.JsonMicrosoftDateTimeOffsetConverter System.Text.Json.Serialization.JsonIPAddressConverter System.Text.Json.Serialization.JsonIPEndPointConverter System.Text.Json.Serialization.JsonDelegatedStringConverter System.Text.Json.Serialization.JsonTypeConverterAdapter System.Net.Http.PushStreamContent System.Net.Http.PushStreamContent<T>

Livekit.Server.Sdk.Dotnet by: pabloFuente

.NET APIs to manage LiveKit Access Tokens, Rooms, Egress, Ingress, SIP and Agents. This library is designed to work with livekit-server. Use it with a .NET backend to manage access to LiveKit.

LijsDev.CrystalReportsRunner.13.0.34.x64 by: Muhammad Azeez and Gerardo Lijs

Runner to allow the use of Crystal Reports in .NET using external process. Copies runner to 'CrystalReportsRunner.13.0.34.x64' in your project output folder. Requires Crystal Reports Runtime v13.0.34 (x64) to be installed in computer where your application will be deployed.

Magnum by: Chris Patterson Dru Sellers

Magnum is a library for the larger than average developer

MailKit.NET by: MailKit

.NET components for processing mail.

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.

MaterialSkin.2 by: leocb IgnaceMaes orapps44

Google's Material Design for your windows forms. MaterialSkin 2 is a Google's Material Design skin for you windows forms app. This updated version brings new user controls, unified theming and consistency. This package supersedes the MaterialSkin package By IgnaceMaes. Example app and documentation is available on the project site.

MedallionTopologicalSort by: Michael Adelson

A fast implementation of topological sorting that supports stable sorting as well as breaking ties via ThenBy[Descending]