SimpleWLightweight Web Server
for .NET

Simple by design. Standalone or embedded.

Get Started

What is SimpleW?

GitHub

Standalone or Embedded

Run a dedicated web service or add HTTP endpoints directly to an existing .NET application.

Zero-Dependency Core

Native sockets, a custom HTTP parser, and no ASP.NET dependency between your code and the connection.

Production Proven

Five years in production, powering real APIs and traffic while remaining explicit and predictable.

Addons, Not Bloat

Add authentication, firewall, automatic TLS, background jobs, or another engine only when you need them.

Examples

One feature. One clear example.

Choose a capability and see the complete SimpleW program behind it.

PROGRAM.CS

Minimal routingINCLUDED

View guide ->

using System.Net;
using SimpleW;

var server = new SimpleWServer(IPAddress.Any, 8080);

server.MapGet("/hello", () => {
    return new { message = "Hello from SimpleW" };
});
await server.RunAsync();