FirebirdSql.Data.FirebirdClient by: FirebirdSQL

Firebird ADO.NET Data provider

FreeSql.Provider.MySql by: FreeSql ncc YeXiangQin

FreeSql 数据库实现，基于 MySql 5.6，Ado.Net 驱动是 MySql.Data（Oracle官方）

FreeSpire.PDF by: Administrator

As a standalone PDF component, Free Spire.PDF for .NET enables developers to create, write, edit, convert, print, handle and read PDF files on any .NET applications. You can implement rich capabilities to create PDF files from scratch or process existing PDF documents. Many rich features can be supported, such as security setting, PDF text/attachment/image extract, PDF merge/split, metadata update, section and paragraph optimizing, graph/image drawing and inserting, table creation and processing, and importing data etc. Main Functions Only Free Spire.PDF, No Adobe Acrobat installed. Free Spire.PDF for .NET is a totally independent .NET PDF library. It Does NOT require Adobe Acrobat or any other 3rd party software/library installed on system. High Quality PDF File Conversion • Convert Webpage HTML, HTML ASPX to PDF • Convert Image(Jpeg, Jpg, Png, Bmp, Tiff, Gif, EMF, Ico) to PDF • Convert Text to PDF • Convert RTF to PDF • Convert PDF to Image Easily Manipulate document and Form fields • Merge/split PDF documents • Overlay documents. • Import and stamp feature • Booklet feature • Create and fill form field Security features • Protect PDF documents by setting passwords and digital signature. • Decrypt PDF Document • Get and Verify Digital Signature • Modify PDF Passwords Document Settings features • Set custom metadata, document properties, page orientation, and page size. • Set PDF position, title display, resize, page mode and print scaling etc. Other Features • PDF/A-1b and PDF/x1a:2001 Compliance, both standards can be applied. • Extract images, text, pages and attachments from a PDF document • Pen and brush to draw shape elements, text, images into PDF documents. • Layers, transparent graphics, color space and barcode creation can render to PDF documents. • Add scalar/vector images and mask and place them in designated location. • Table and table style can be supported by Free Spire.PDF for .NET. • Insert interactive elements inc

FreeRedis by: FreeRedis

FreeRedis is .NET redis client, supports cluster, sentinel, master-slave, pipeline, transaction and connection pool.

FluentValidation by: Jeremy Skinner

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

FluentFTP by: Robin Rodricks FluentFTP Contributors

An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP transfers, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#, with no external dependencies.

FreeSql.Provider.Sqlite by: FreeSql ncc YeXiangQin

FreeSql 数据库实现，基于 Sqlite 3.0，支持 .NetCore、.NetFramework、Xamarin

Fody by: The Fody Team

Extensible tool for weaving .net assemblies.

FreeSql.Provider.Oracle by: FreeSql ncc YeXiangQin

FreeSql 数据库实现，基于 Oracle 11

FreeScheduler by: YeXiangQin

轻量化定时任务调度，支持集群任务、临时的延时任务和重复循环任务，可按秒，每天/每周/每月固定时间，自定义间隔执行，支持 .NET Core 2.1+、.NET Framework 4.0+ 运行环境。

Fleck by: statenjason

C# WebSocket Implementation

FreeSql.Extensions.BaseEntity by: FreeSql ncc YeXiangQin

BaseEntity 是一种极简单的 CodeFirst 开发方式，特别对单表或多表CRUD，利用继承节省了每个实体类的重复属性（创建时间、ID等字段），软件删除等功能，进行 crud 操作时不必时常考虑仓储的使用.

FreeSql.DbContext by: FreeSql ncc YeXiangQin

FreeSql is the ORM in .NetCore, .NetFramework, And Xamarin. It supports Mysql, Postgresql, SqlServer, Oracle, Sqlite, Firebird, Clickhouse, DuckDB, TDengine, QuestDB, Odbc, Oledb, 达梦, 人大金仓, 南大通用, 虚谷, 神舟通用, 翰高, And Access

Flurl by: Todd Menier

A fluent, portable URL builder. To make HTTP calls off the fluent chain, check out Flurl.Http.

FluentNHibernate by: James Gregory and contributors

Fluent, XML-less, compile safe, automated, convention-based mappings for NHibernate.

FreeSql.Extensions.JsonMap by: FreeSql ncc YeXiangQin

FreeSql 扩展包，可实现实体类属性为对象时，以JSON形式映射存储.

FreeSql by: FreeSql ncc YeXiangQin

FreeSql is the ORM in .NetCore, .NetFramework, And Xamarin. It supports Mysql, Postgresql, SqlServer, Oracle, Sqlite, Firebird, Clickhouse, DuckDB, TDengine, QuestDB, Odbc, Oledb, 达梦, 人大金仓, 南大通用, 虚谷, 神舟通用, 翰高, And Access

FreeSql.Cloud by: FreeSql ncc YeXiangQin

提供跨数据库访问，分布式事务TCC、SAGA解决方案，支持 .NET Core 2.1+, .NET Framework 4.0+.

Fractions by: Daniel Mueller

The fraction data type consists of two BigInteger values for numerator and denominator. It implements various operations (addition, subtraction, multiplication, division and remainder) with operator overloads.

FluentAssertions by: Dennis Doomen Jonas Nyrup Xceed

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Works with .NET Standard 2.0 and higher, .NET Framework 4.7 and higher and .NET 6 and higher. Supports the unit test frameworks MSTest2, NUnit3, NUnit4, XUnit2, XUnit3, MSpec and TUnit. IMPORTANT: This version is free for open-source projects and non-commercial use, but commercial use requires [a paid license](https://xceed.com/products/unit-testing/fluent-assertions/). Check out the [license page](LICENSE) for more information.