The Twilio SendGrid C# API Library
Static reflection for enums (to string, from string, iteration)
Confluent's Apache Kafka .NET client
Entity Framework Core provider for PostgreSQL
Command-line shell and scripting language built on .NET
Unity / XNA game patcher and plugin framework
Browser automation framework and ecosystem
Scripting platform, modding framework and VR support for RE Engine
BizHawk is a multi-system emulator written in C#
Multi-Platform Package Manager for Stable Diffusion
A Fast and Easy to use microframework for the web
Win32 port of OpenSSH
Cross-platform runtime for cloud, mobile, desktop, and IoT apps
mpv.net is a modern media player for Windows that works just like mpv
MAME is a multi-purpose emulation framework
High performance, full-stack PHP framework delivered as a C extension
UNIX-like reverse engineering framework and command-line toolset
Core functionality needed to create .NET Core projects
A modern, C++-native, test framework for unit-tests, TDD and BDD
JUCE is an open-source cross-platform C++ application framework
Espressif IoT Development Framework
Google Testing and Mocking Framework
.NET bindings for the Chromium embedded framework
Capstone disassembly/disassembler framework
A 100% native C# implementation of ZeroMQ for .NET