PatternFly Core contains the HTML, CSS, and JQuery for the PatternFly pattern library. The JS framework implementation of PatternFly have a dependency on Core.
Angular PatternFly contains the code for a set of Angular 1 components.
PatternFly Ng contains the code for a set of Angular 4+ components.
PatternFly React contains the code for a set of React components.
PatternFly Design is where the PatternFly design documentation is managed and maintained. The documentation is in a markdown file format and includes definitions on use cases and specifications for a pattern. This content is viewable on our site under Pattern Library.
PatternFly Design Kit
The PatternFly Design Kit is a Sketch library used for creating PatternFly accurate design mockups.