This is a Generic Static Site Generator, It is written in JavaScript, It can be used to create static websites

Teeny is described as 'Super simple static site generator built to suit my needs and my needs only' and is a static site generator in the development category. There are more than 50 alternatives to Teeny for a variety of platforms, including Self-Hosted, Windows, Linux, Mac and Web-based apps. The best Teeny alternative is Ghost. It's not free, so if you're looking for a free alternative, you could try Ghost or Jekyll. Other great apps like Teeny are Astro Web Framework, Grav, Next.js and Gatsby.
This is a Generic Static Site Generator, It is written in JavaScript, It can be used to create static websites

Wemebox is a product for people who want to create and deploy websites faster. It's a hybrid content management system that sits right in between Wordpress and Hugo. Made to be simple and work out of the box.
Nikola is a static website and blog generator. Its original goal is to create blogs, but it supports most kind of sites and can be used as a CMS, as long as what you present to the user is your own content instead of something the user generates.

Glyph is a static site generator that uses Github issues and GitHub Pages. It essentially converts Issues into full-fledged blog posts which yields an advanced but accessible comment system hosted through GitHub with posts created using the very popular .

Soupault is a static website generator that actually understands HTML and automatically manipulates it rather than just generating it from a template.

After Dark is open source software you can use to build a secure website, blog or app. One command is all you need to start a new website.

Nanoc is a static-site generator, fit for building anything from a small personal blog to a large corporate website.

Datastar is a lightweight framework for building everything from simple sites to real-time collaborative web applications.

It's lightning fast, developed from the ground up in C++, and released for free under the MIT license, use it for any of your personal or commercial projects – just be sure to preserve copyright and license notices!