FsConfig - F# library for reading configuration data from environment variables and AppSettings with type safety. [Unlicense]
Data Science
Deedle380 114 - Deedle: Exploratory data library for .NET. [BSD-2-Clause]
Deep.Net - Deep learning library for F#. Provides symbolic model differentiation, automatic differentiation and compilation to CUDA GPUs. [Apache 2.0]
DiffSharp98 19 - DiffSharp is a functional automatic differentiation (AD) library. [GPL-3.0]
FsLab67 24 - FsLab is a collection of libraries for data-science. It provides a rapid development enviÂronment that lets you write advanced analysis with few lines of production-quality code. [Apache 2.0]
Math.NET1k 574 - Math.NET Numerics aims to provide methods and algorithms for numerical computations in science, engineering and every day use. F# specific bindings available. [MIT]
ApiaryProvider6 4 - Type provider for Apiary.io. [Apache 2.0]
AzureStorageTypeProvider37 21 - F# Azure Type Provider which can be used to explore Blob, Table and Queue Azure Storage assets and easily apply CRUD operations on them. [Unilicense]
DynamicsCRMProvider - Type provider for Microsoft Dynamics CRM 2011. [Apache 2.0]
ExcelProvider53 35 - Excel type provider. [Unilicense]
FSharp.Configuration71 53 - The project contains type providers for the configuration of .NET projects. Handles AppSettings, ResX, Yaml and Ini files. [Apache 2.0]
FSharp.Data449 267 - Data science library that contains type providers for CSV, HTML, JSON, XML, and WorldBank data. [Apache 2.0]
FSharp.Data.Npgsql - F# type providers library on a top of well-known Npgsql ADO.NET client library. [Apache 2.0]
FSharp.Data.SqlClient137 51 - F# Type Provider for statically typed access to T-SQL command parameters and result set. [Apache 2.0]
FSharp.Data.Toolbox40 45 - Library for various data access APIs based on FSharp.Data. The library currently includes the Twitter type provider for access to Twitter users and feeds, and SAS type provider to read SAS dataset files. [Apache 2.0]
FSharp.Data.TypeProviders11 7 - Library that contains type providers for .edmx files, .dbml files, WSLD services, OData services, and SQL databases. [Unilicense]
FSharp.Management62 27 - The project contains various type providers for the management of the machine. Handles file system, registry, Windows Management Instrumentation, PowerShell and SystemTimeZones. [Apache 2.0]
FsYaml33 7 - Typed Yaml library for F#. [NYSL Version 0.9982]
GraphProvider14 2 - .dgml state machine type provider. [Apache 2.0]
MatDataProvider3 1 - Erased type provider for .mat files (binary MATLAB format files). [Apache 2.0]
R Type Provider179 69 - Type provider to interop with R. [BSD-2-Clause]
Rezoom.SQL211 4 - Statically typed SQL for F#. [MIT]
S3Provider9 1 - Experimental type provider for Amazon S3. [MIT]
SQLProvider253 129 - General F# SQL database erasing type provider, supporting LINQ queries, schema exploration, individuals, CRUD operations and much more besides. [Apache 2.0]
SwaggerProvider57 15 - F# generative Type Provider for Swagger. [Unilicense]
FsAttoparsec - Port of Bryan O'Sullivan's attoparsec from Haskell to F#. [BSD-3-Clause]
XParsec23 3 - Extensible, type-and-source-polymorphic, non-linear applicative parser combinator library for F# 3.0 and 4.0. [BSD-3-Clause]
Testing
canopy344 114 - F# web automation and testing framework. [MIT]
Expecto200 42 - Smooth testing framework for F# with tests-as-values and parallelism by default. [Apache 2.0]
FsCheck380 113 - Random Testing for .NET. [BSD-3-Clause]
fsharp-hedgehog109 11 - Property-based testing system for F#. [Apache 2.0]
FsUnit217 69 - FsUnit makes unit-testing with F# more enjoyable. It adds a special syntax to your favorite .NET testing framework. [???]
Persimmon36 7 - Unit test framework for F# using computation expressions. [MIT]
unquote - Write F# unit test assertions as quoted expressions. [Apache 2.0]
xUnit.net - Free, open source, community-focused unit testing tool for the .NET Framework. [Apache 2.0]
Web frameworks
Freya - Modern, purely functional stack for web programming in F#. [Apache 2.0]
Genit64 13 - Cross-platform website generator and server using F#, Suave and PostgreSQL or MS SQL Server.
Giraffe44 10 - Native functional ASP.NET Core web framework for F# developers. [Apache 2.0]
Saturn - Opinionated, web development framework for F# which implements the server-side, functional MVC pattern. [MIT]
Suave968 244 - Suave is a simple web development F# library providing a lightweight web server and a set of combinators to manipulate route flow and task composition. [Apache 2.0]
WebSharper324 43 - F#-based web programming platform including a compiler from F# code to JavaScript. [Apache 2.0]
Search
FlexSearch - high performance REST/SOAP services based full-text searching platform built on top of the popular Lucene search library. [Apache 2.0]