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The Open Toolkit library is a fast, low-level C# wrapper for OpenGL, OpenAL & OpenCL. It also includes windowing, mouse, keyboard and joystick input and a robust and fast math library, giving you everything you need to write your own renderer or game engine. OpenTK can be used standalone or inside a GUI on Windows, Linux, Mac.
A cross-platform plotting library for .NET
AutoFixture is an open source library for .NET designed to minimize the 'Arrange' phase of your unit tests in order to maximize maintainability. Its primary goal is to allow developers to focus on what is being tested rather than how to setup the test scenario, by making it easier to create object graphs containing test data.
An unofficial .Net wrapper for the Discord API (https://discord.com/)
Fluent migrations framework for .NET
Roslynator is a set of code analysis tools for C#, powered by Roslyn.
.NET project templates with batteries included, providing the minimum amount of code required to get you going faster.
Git + .NET = ❤
.NET Transactional Document DB and Event Store on PostgreSQL
Network Analysis Tool
An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Automatic directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP support, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#.
Tools and libraries to glue C/C++ APIs to high-level languages
SQL query builder, written in c#, helps you build complex queries easily, supports SqlServer, MySql, PostgreSql, Oracle, Sqlite and Firebird
Linq to database provider.
Surging is a micro-service engine that provides a lightweight, high-performance, modular RPC request pipeline. support Event-based Asynchronous Pattern and reactive programming.
Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI
Cosmos is an operating system "construction kit". Build your own OS using managed languages such as C#, VB.NET, and more!
SteamKit2 is a .NET library designed to interoperate with Valve's Steam network. It aims to provide a simple, yet extensible, interface to perform various actions on the network.
All in one email sender for .NET. Supports popular senders (SendGrid, MailGun, etc) and Razor templates.
Provides a set of libraries which add service API versioning to ASP.NET Core Minimal APIs, Controllers, gRPC, OData, and Web API (Classic).
An alternative bootstrapper for Roblox with a bunch of extra features.
A .NET library to run C# code in parallel on the GPU through DX12, D2D1, and dynamically generated HLSL compute and pixel shaders, with the goal of making GPU computing easy to use for all .NET developers! 🚀
Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.
A 100% native C# implementation of ZeroMQ for .NET