Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, crypto, bitcoins, and options).
Model Context Protocol (MCP) plugin to connect with Unity Editor β designed for Cursor, Claude Code, Codex, Windsurf and other IDEs
Open-source Ragnarok Online 3 (RO3) PC server emulator in C# / .NET 10. Client-documented protocol, multiplayer systems, tools and research.
AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.
Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-powered data access and tool integration
Open-source C#/.NET research server emulator for local protocol and networking experimentation.
The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.
Automate real Microsoft Excel with AI via MCP Server or CLI β Power Query, DAX, VBA, PivotTables, charts, and 412 operations.
Open-source MCP for Autodesk Revit 2023β2027. Downloadable Windows installer with runtime included; no Git or .NET SDK required. Typed BIM automation, families and model verification.
Protocol Buffers library for idiomatic .NET
The Most Advanced MCP Server for Unity Editor
A C# implementation of the WebSocket protocol client and server
Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution
A common platform for PowerShell development support in any editor or application!
QuickFIX/n implements the FIX protocol on .NET.
MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.
SuperSocket is a high-performance, extensible socket server application framework for .NET. It provides a robust architecture for building custom network communication applications with support for multiple protocols including TCP, UDP, and WebSocket.
TouchSocket is an integrated .NET networking framework that includes modules for socket, TCP, UDP, SSL, named pipes, HTTP, WebSocket, RPC, and more. It offers a one-stop solution for TCP packet issues and enables quick implementation of custom data message parsing using protocol templates.
Windows protocol library, including SMB and RPC implementations, among others.
ODataLib: Open Data Protocol - .NET Libraries and Frameworks
Language Server Protocol in C#
.NET LDAP client library for .NET Standard >= 2.0, .NET Core >=1.0, NET5/NET6/NET7/NET8 - works with any LDAP protocol compatible directory server (including Microsoft Active Directory).
A client implementation for the Automated Certificate Management Environment (ACME) protocol
ββ Join us at SNIA SDC for the SMB3 IO Lab (September 28 - October 1, 2026), see upcoming Interoperability Events
Free, open-source SQL Server and Postgres performance monitoring. Collectors, real-time alerts, graphical plan viewer, MCP server for AI analysis. Supports SQL 2016-2025, Azure SQL, AWS RDS, Postgres, Aurora Postgres.
Clean-room server emulator for Batla 3D, the 2015 Unity 4 arena shooter whose servers shut down. Reimplements the HTTP API and UDP combat protocol recovered from the shipped client, plus a CIL patcher that repoints the game at your own host, so you can run matches with friends. No game files included.
Control Virt-A-Mate from any MCP client: an in-process MCP server shipped as a BepInEx plugin (63 tools)
mRemoteNG is the next generation of mRemote, open source, tabbed, multi-protocol, remote connections manager.
Skills that let Claude Code, GitHub Copilot, Cursor, Kiro and other coding agents work with OutSystems 11 apps via the Service Studio MCP server.