Feather HTTP is a lightweight, low ceremony framework for building HTTP APIs in .NET Core. It is built on the same primitives as .NET Core and optimized for quickly building HTTP APIs. With Feather HTTP, you can take advantage of existing .NET Core middleware and frameworks to streamline development. The tutorial on the GitHub repository walks you through building an HTTP API for a todo application using Feather HTTP. To use the `dotnet new` template, use the command provided and install the template. With CI builds, add the provided nuget feed. See the list of versions available.