- Preprocessors
- LESS
- PostCSS
- Sass
- STYLIS
- Stylus
- Frameworks
- Bootstrap
- Bulma
- inuit.css
- Foundation
- Materialize
- material-components-web
- Milligram
- Pure.css
- Semantic UI
- Spectre.css
- Strawberry
- Wing
- UIkit
- unsemantic
- Tachyons
- Tacit
- Reset and Normalize
- Normalize
- Normalize-OpenType
- MiniReset.css
- sanitize.css
- unstyle.css
- Naming conventions & Methodologies
- Hyphen Delimited
- Atomic OOBEMITSCSS
- BEM
- oCSS
- SMACSS
- Point North
- ITCSS
- OOCSS
- Title CSS
- idiomatic-css
- Atomic Design
- SUIT CSS
- Kickoff CSS
- MaintainableCSS
- NCSS