Analytics for CSS, part of Project Wallace.

Linter for SCSS/CSS files.

Potentially interesting stats on stylesheets.

A coding style formatter for CSS. Supports own configurations to make style sheets beautiful and consistent.

Does basic syntax checking and finds problematic patterns or signs of inefficiency.

CSS Specificity Graph Generator.

Stylesheet analysis tool.

A tool for transforming styles with JS plugins. These plugins can lint your CSS, support variables and mixins, transpile future CSS syntax, inline images, and more.

A Node-only Sass linter for both sass and scss syntax.

Linter for SCSS files.

CSS Specificity Graph Generator.

Mega-Linter can handle any type of project thanks to its 70+ embedded Linters, its advanced reporting, runnable on any CI system or locally, with assisted installation and configuration, able to apply formatting and fixes

SonarQube is an open platform to manage code quality.

Code Analysis to ship Better Code, Faster.

Universal code beautifier with a GitHub app. Supports HTML, CSS, JavaScript, TypeScript, JSX, Vue, C++, Go, Objective-C, Java, Python, PHP, GraphQL, Markdown, and more.

Pluggable and configurable code transformer with built-in eslint, babel plugins support for js, jsx typescript, flow, markdown, yaml and json.

Beautify HTML, CSS, JavaScript, PHP, Python, Ruby, Java, C, C++, C#, Objective-C, CoffeeScript, TypeScript, Coldfusion, SQL, and more in Atom editor.

Check your code quality for js, jsx, vue, css, less, scss, sass and styl files.

Comments on style violations in GitHub pull requests. Supports Coffeescript, Go, HAML, JavaScript, Ruby, SCSS and Swift.

Facebook's tools for code analysis, visualizations, or style-preserving source transformation for many languages.

A linter and formatter to help you to improve copywriting, correct spaces, words, punctuations between CJK (Chinese, Japanese, Korean).

Language independent framework for creating code analysis - supports over 60 languages by default.

Automated code analysis tool to deal with technical depth. Integrates with Bitbucket and Gitlab. (free for Open Source Projects)

Helps you catch problems in your HTML/CSS/SVG

Rome is a linter, compiler, bundler, and more for JavaScript, TypeScript, JSON, HTML, Markdown, and CSS.

Tencent Cloud Code Analysis (TCA for short, code-named CodeDog inside the company early) is a comprehensive platform for code analysis and issue tracking. TCA consist of three components, server, web and client. It integrates of a number of self-developed tools, and also supports dynamic integration of code analysis tools in various programming languages.

Automated Code Analysis for repos on GitHub or BitBucket.

Code visualization tool that provides code analysis, standards testing, metrics, graphing, dependency analysis and more for Ada, VHDL, and others.