Longbow.Cronos by: Andrey Dorokhov Sergey Odinokov

A fully-featured .NET library for parsing Cron expressions and calculating next occurrences that was designed with time zones in mind and correctly handles daylight saving time transitions.

Longbow.Json by: Argo Zhang(argo@163.com)

Longbow Component for .net core 2.0+ & .net framework 4.5+

Longbow.Logging by: Argo Zhang(argo@163.com)

Longbow Component for .net core 2.0+ & .net framework 4.5+

Longbow.PetaPoco by: Argo Zhang(argo@163.com)

A Tiny ORMish thing for your POCO's.

Longbow.Security.Cryptography by: Argo Zhang(argo@163.com)

Longbow Component for .net core 2.0+ & .net framework 4.5+

Longbow.Tasks by: Argo Zhang(argo@163.com)

Longbow Component for .net core 2.0+

Magick.NET-Q8-AnyCPU by: Dirk Lemstra

ImageMagick is a powerful image manipulation library that supports over 100 major file formats (not including sub-formats). With Magick.NET you can use ImageMagick without having to install ImageMagick on your server or desktop. Visit https://github.com/dlemstra/Magick.NET/tree/main/docs before installing to help you decide the best version.

Magick.NET.Core by: Dirk Lemstra

ImageMagick is a powerful image manipulation library that supports over 100 major file formats (not including sub-formats). With Magick.NET you can use ImageMagick without having to install ImageMagick on your server or desktop. Visit https://github.com/dlemstra/Magick.NET/tree/main/docs before installing to help you decide the best version.

Magicodes.EPPlus by: Magicodes

Create advanced Excel spreadsheets using .NET

Magicodes.IE.Core by: 雪雁

Import and export general library, support Dto import and export, template export, fancy export and dynamic export, support Excel, Csv, Word, Pdf and Html. 导入导出通用库，支持Dto导入导出、模板导出、花式导出以及动态导出，支持Excel、Csv、Word、Pdf和Html。 开源库地址:https://github.com/xin-lai 博客地址：http://www.cnblogs.com/codelove/ 更新记录：https://github.com/dotnetcore/Magicodes.IE/blob/master/RELEASE.md 公众号：麦扣聊技术 交流QQ群：85318032

Magicodes.IE.EPPlus by: 雪雁

Import and export general library, support Dto import and export, template export, fancy export and dynamic export, support Excel, Csv, Word, Pdf and Html. 导入导出通用库，支持Dto导入导出、模板导出、花式导出以及动态导出，支持Excel、Csv、Word、Pdf和Html。 开源库地址:https://github.com/xin-lai 博客地址：http://www.cnblogs.com/codelove/ 更新记录：https://github.com/dotnetcore/Magicodes.IE/blob/master/RELEASE.md 公众号：麦扣聊技术 交流QQ群：85318032

Magicodes.IE.Excel by: 雪雁

Import and export general library, support Dto import and export, template export, fancy export and dynamic export, support Excel, Csv, Word, Pdf and Html. 导入导出通用库，支持Dto导入导出、模板导出、花式导出以及动态导出，支持Excel、Csv、Word、Pdf和Html。 开源库地址:https://github.com/xin-lai 博客地址：http://www.cnblogs.com/codelove/ 更新记录：https://github.com/dotnetcore/Magicodes.IE/blob/master/RELEASE.md 公众号：麦扣聊技术 交流QQ群：85318032

Magicodes.IE.Excel.NPOI by: 雪雁

Import and export general library, support Dto import and export, template export, fancy export and dynamic export, support Excel, Csv, Word, Pdf and Html. 导入导出通用库，支持Dto导入导出、模板导出、花式导出以及动态导出，支持Excel、Csv、Word、Pdf和Html。 开源库地址:https://github.com/xin-lai 博客地址：http://www.cnblogs.com/codelove/ 更新记录：https://github.com/dotnetcore/Magicodes.IE/blob/master/RELEASE.md 公众号：麦扣聊技术 交流QQ群：85318032

Magicodes.IE.Html by: 雪雁

Import and export general library, support Dto import and export, template export, fancy export and dynamic export, support Excel, Csv, Word, Pdf and Html. 导入导出通用库，支持Dto导入导出、模板导出、花式导出以及动态导出，支持Excel、Csv、Word、Pdf和Html。 开源库地址:https://github.com/xin-lai 博客地址：http://www.cnblogs.com/codelove/ 更新记录：https://github.com/dotnetcore/Magicodes.IE/blob/master/RELEASE.md 公众号：麦扣聊技术 交流QQ群：85318032

Magicodes.IE.Pdf by: 雪雁

Import and export general library, support Dto import and export, template export, fancy export and dynamic export, support Excel, Csv, Word, Pdf and Html. 导入导出通用库，支持Dto导入导出、模板导出、花式导出以及动态导出，支持Excel、Csv、Word、Pdf和Html。 开源库地址:https://github.com/xin-lai 博客地址：http://www.cnblogs.com/codelove/ 更新记录：https://github.com/dotnetcore/Magicodes.IE/blob/master/RELEASE.md 公众号：麦扣聊技术 交流QQ群：85318032

Magicodes.RazorEngine.NetCore by: HueiFeng

Fork from https://github.com/hermanho/RazorEngine

MahApps.Metro by: Jan Karger Bastian Schmidt Dennis Daume Brendan Forster Alex Mitchell Paul Jenkins Jake Ginnivan

The goal of MahApps.Metro is to allow devs to quickly and easily cobble together a 'Modern' UI for their WPF apps (.Net 4.6.2 and later), with minimal effort.

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.

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.