Gatsby Source Cosmicjs

GatsbyJS is a free and open-source static site generator based on React. It uses a modern development stack including Webpack, GraphQL, and modern JavaScript and CSS frameworks. It also provides a rich set of plugins, starters, and themes.

Cosmic is a headless CMS that enables developers to build websites and applications using any tech stack. It features a user-friendly dashboard for managing content, powerful API for retrieving data, and easy integration with popular frontend frameworks and tools.