Elasticsearch.Net by: Elastic and contributors

Exposes all the Elasticsearch API endpoints but leaves you in control of building the request and response bodies. Comes with built in cluster failover/connection pooling support.

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.

FluentStorage by: Robin Rodricks Ivan Gavryliuk FluentStorage Contributors

FluentStorage, originally known as Storage.NET, is a polycloud .NET cloud storage library to interface with multiple cloud providers from a single unified interface. Provides Blob storage (AWS S3, GCP, FTP, SFTP, Azure Blob/File/Event Hub/Data Lake) and Messaging (AWS SQS, Azure Queue/ServiceBus). Supports .NET 5+ and .NET Standard 2.0+. Pure C#. MIT license. Commercial use allowed.

EasyCompressor.LZ4 by: Mohammad Javad Ebrahimi

A compression library that implements many compression algorithms such as LZ4, Zstd, LZMA, Snappy, Brotli, GZip, and Deflate. It helps you to improve performance by reducing Memory Usage and Network Traffic for caching.

FluentEmail.Smtp by: Luke Lowrey Ben Cull Github Contributors

Now we're talking. Send emails via SMTP.

EasyCompressor by: Mohammad Javad Ebrahimi

A compression library that implements many compression algorithms such as LZ4, Zstd, LZMA, Snappy, Brotli, GZip, and Deflate. It helps you to improve performance by reducing Memory Usage and Network Traffic for caching.

FluentStorage.AWS by: Robin Rodricks Ivan Gavryliuk FluentStorage Contributors

Extension to FluentStorage providing integration with AWS S3 blob storage.

FluentValidation.DependencyInjectionExtensions by: Jeremy Skinner

Dependency injection extensions for FluentValidation

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.

FluentValidation by: Jeremy Skinner

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

FluentEmail.Core by: Luke Lowrey Ben Cull Github Contributors

Send emails very easily. Use razor templates, smtp, embedded files, all without hassle. This is a Base Package and includes just the domain model, very basic defaults, and is also included with every other Fluent Email package here.

EntityFramework by: Microsoft

Entity Framework 6 (EF6) is a tried and tested object-relational mapper for .NET with many years of feature development and stabilization.

FluentEmail.Razor by: Luke Lowrey Ben Cull Github Contributors

Generate emails using Razor templates. Anything you can do in ASP.NET is possible here. Uses the RazorLight project under the hood.

FluentAssertions by: Dennis Doomen Jonas Nyrup

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. Targets .NET Framework 4.7, .NET Core 2.1 and 3.0, .NET 6, as well as .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3. Supported by InfoSupport B.V.

EventStore.Client by: Event Store Ltd

The legacy TCP client API for Event Store. Get the open source or commercial versions of Event Store server from https://eventstore.com/

EFCoreSecondLevelCacheInterceptor by: Vahid Nasiri

Entity Framework Core Second Level Caching Library.

FluentStorage.FTP by: Robin Rodricks Ivan Gavryliuk FluentStorage Contributors

Extension to FluentStorage providing FTP and FTPS support using FluentFTP.

FluentValidation.AspNetCore by: Jeremy Skinner

AspNetCore integration for FluentValidation

EFCore.BulkExtensions by: borisdj

EntityFramework .Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on SQL Server, PostgreSQL, MySQL, SQLite

EFCore.BulkExtensions.PostgreSql by: borisdj

EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL