Geeby is built using Gatsby. Gatsby is a Static Site Generator so your Geeby site will build and serve up static files which are fast for the browser to read.
Geeby is fully responsive to fit perfectly into any size screen. This is built with sass and can be easily swaped out for something else.
Everything used to build Weeby is open source and completely free. The hosting is free tier Netlify and everything else runs off Github.
Gatsby.js a static website genertor.
React is a component based javascript framework.
The content management and hosting are both through Netlify for free.
Sass is a css extension language.
Gatsby Image, Graphql, Markdown, and more