Fiber is a Go web framework built on top of Fasthttp, the fastest HTTP engine for Go. It's designed to ease things up for fast development with zero memory allocation and performance in mind. package main import ( "log" "github.com/gofiber/fiber/v2" ) func main() { app := fiber.New() app.Get("/", func (c *fiber.Ctx) error { return c.SendString("Hello, World!") }) log.Fatal(app.Listen(":3000")) }