When comparing Gatsby JS vs Nikola, the Slant community recommends Gatsby JS for most people. In the question“What are the best static site generators?” Gatsby JS is ranked 9th while Nikola is ranked 12th.
Ranked in these QuestionsQuestion Ranking
Pro No page reload when navigating
Pro Based on React.js
Editing markup is phenomenally easy when you have components.
Pro Live reload
Every change you make can be almost immediately seen in a browser.
Pro A lot of plugins
Gatsby offers a lot of plugins to integrate tools like SASS, typescript, styled components, etc.
Pro Very active development
Gatsby is very actively developed and the maintainers are very helpful.
Pro Built-in code and data splitting
Pro Open Source
Pro Take content from any source
Gatsby can generate the pages with content from any sources like Drupal, Wordpress, Contentful, etc. If the source plugin is not coded for your solution, you can create it.
Pro A static site and a React app in one
The static pages are generated by Server Site Rendering of the React app. So you have all benefits of a static site, and all benefits of a React app, which is very powerful.
Pro GraphQL Data Layer
Pro A lot of examples
Gatsby have a lot of examples sites in his github repository.
Pro Beautiful out-of-the-box blog starters
Pro HTML input
Nikola posts may be written in a variety of formats. You can write posts in HTML, with all the expressive power of HTML and CSS, and still have the benefits of a site-wide theme and navigation structure.
Pro Host on any web server
Nikloa sites are static files, and thus may be hosted on any web server that allows you to upload your own files. This lets you use simple and inexpensive hosting providers and still have a reliable site.
Pro Write in reStructuredText and Markdown
You have better choices for markup than raw HTML.
Pro Free open-source software (MIT license)
Con A bit raw
You'll maybe have to tweak some JSX if you want something that's not covered by available themes.