Sly Alternatives

CSS processor to fix your css code and make it compatible with all browsers

Open Source

Use tomorrow’s CSS syntax, today.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

Unlike the mini-languages that are other pre/post-processor options, Garden leverages the full power of the Clojure programming language for CSS.

Increase code readability. Add vendor prefixes to CSS rules using values from Can I Use. Autoprefixer will use the data based on current browser popularity and property support to apply prefixes for you.

Open Source

Syntatically Awesome Style Sheets

Open Source

EXPRESSIVE, DYNAMIC, ROBUST CSS

Open Source

Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node. js and Rhino) or client-side (modern browsers only).

Let's Make Work Better. Research, ideas, and practices from Google and others, to put people first.

Pleeease is a Node.

A standards inspired CSS pre-processor. Written in PHP.

Easily find and remove unused CSS rules

paid Free Trial $29.0 / Monthly (Up to 1000 pages)

A utility-first CSS framework for rapidly building custom user interfaces.

Open Source

w3m is a text-based web browser as well as a pager like ' ...