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PicoServerAdd Web Capabilities to Your .NET Applications

Lightweight, Hassle-free, Cross-platform, Zero-dependency, AOT, High-performance, Glue Features

PicoServer
📜 Software Copyright 2026SR0568305✅ Free for Commercial Use, Supports XinchuangLatest VersionDownloads

🧩 Add WebAPI with One Line of Code ​

❤️ As natural as calling a method — no learning curve, no configuration, zero dependencies. One line of code to add Web API.

csharp
// Add root route mapping
MyAPI.AddRoute("/", Hello);
// Start the server
MyAPI.StartServer();

// Method mapped to the root route
private async Task Hello(HttpListenerRequest request, HttpListenerResponse response)
{
    await response.WriteAsync("Hello PicoServer");
}
vb
' Add root route mapping
MyAPI.AddRoute("/", AddressOf Hello)
' Start the server
MyAPI.StartServer()

' Method mapped to the root route
Private Async Function Hello(request As HttpListenerRequest, response As HttpListenerResponse) As Task
    Await response.WriteAsync("Hello PicoServer")
End Function

🔄 .NET App + PicoServer = Web-Enabled Application ​

🏭

Industrial HMI

Remote monitoring, parameter configuration, data reporting — bring Web management to industrial control systems

🖥️

Desktop App (WinForms/WPF)

No server deployment required — desktop apps directly provide APIs, supporting remote calls

📱

Cross-Platform (MAUI/Avalonia)

One codebase runs everywhere, providing Web APIs simultaneously — unified application and service

📟

Console Application

Single-file deployment, zero-dependency runtime — quickly build backend services

🌐

Edge Device

Web services in resource-constrained environments — AOT compiled, ultra-low memory footprint

🤖

AI Agent & MCP Services

Serve as tool service base for AI Agents or MCP service endpoints. Millisecond startup, ultra-low resource consumption — enable every agent capability to quickly and stably provide API services.

💡 No IIS, No Kestrel, No Web development experience required — up and running in a minute

🎯 Typical Scenarios ​

🌐

Minimal Web API

No need for complex frameworks — just a few lines of code to quickly implement API services. Built-in Token / JWT authentication.

🔄

Empowering Legacy Projects

Quickly add Web capabilities to old .NET Framework projects without refactoring or changing existing business code.

🖥️

Desktop App Web-Enabling

Add remote management interfaces to WinForm / WPF / MAUI / Avalonia apps. Single DLL embedding with AOT support.

🏭

Edge Gateway / Industrial HMI

Industrial gateways and edge computing scenarios with strict size, CPU, and memory constraints. Extremely low resource consumption.

🌍

Cross-Platform Projects

Windows, macOS, Linux — glue feature works with any library, one codebase runs everywhere.

📊

Lightweight Web Applications

Web admin backends, SPA applications, small-to-medium websites. No ASP.NET Core required, no IIS dependency.