When comparing SC5 vs PostCSS plugin, the Slant community recommends SC5 for most people. In the question“What are the best tools for building and generating css living styleguides?” SC5 is ranked 1st while PostCSS plugin is ranked 3rd. The most important reason people chose SC5 is:
The [designer tool](https://github.com/SC5/sc5-styleguide#designer-tool) allows you to edit Sass, Less and PostCSS in the browser, which can be saved to the main file.
Ranked in these QuestionsQuestion Ranking
Pro Edit on the fly
The designer tool allows you to edit Sass, Less and PostCSS in the browser, which can be saved to the main file.
Pro Powerful search feature
There is a built-in search feature that allow you to quickly find components and markup examples.
Pro Extends KSS
SC5 is built on, and extends the functionality of KSS. It is compatible with existing KSS styleguides.
Pro Easy to customize
The default theme is easy to override using CSS or Sass.
Pro Wide range of support
It supports SASS, LESS, PostCSS styles as well as pure CSS style sheets.
Pro PostCSS workflow
Since it is a PostCSS plugin, it's very fast to set up for those already using PostCSS and integrates perfectly with the PostCSS workflow.
Pro Supports Markdown comments in CSS
CSS comments are parsed through markdown and appear in the generated HTML file.
Con Renders slow for big projects
The generated website can render slow for larger projects.
Con Requires PostCSS
It's a PostCSS plugin, so it requires that you also set up PostCSS and Node in your project.