Spoon is described as 'a tiny bashful static site generator' and is a Static Site Generator in the Development category. There are more than 50 alternatives to Spoon for a variety of platforms, including Self-Hosted solutions, Windows, Linux, Online / Web-based and Mac. The best alternative is Ghost. It's not free, so if you're looking for a free alternative, you could try Grav or Jekyll. Other great apps like Spoon are Hugo (Free, Open Source), Gatsby (Freemium, Open Source), postach.io (Freemium) and Pelican (Free, Open Source).
Grav is an easy to use, yet powerful, opensource CMS that requires no database. In a nutshell, installing Grav is a matter of unzipping the file. It is fast, has sophisticated caching, and a light footprint for optimal performance.
Jekyll is a simple, blog aware, static site generator. It takes a template directory (representing the raw form of a website), runs it through and Liquid converters, and spits out a complete, static website suitable for serving with Apache or your favorite web server.
FlatPress is an open-source standard-compliant multi-lingual extensible blogging engine which does not require a DataBase Management System to work. You don’t need MySQL because FlatPress stores all of its content on text files.
Hakyll is a Haskell library for generating static sites, mostly aimed at small-to-medium sites and personal blogs. It is written in a very configurable way and uses an xmonad-like DSL for configuration.