fzf - A command-line fuzzy finder written in Go
Sass - Syntatically Awesome Style Sheets
fzy - A better fuzzy finder
PostCSS - 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.
skim (fuzzy finder) - Discover open source libraries, modules and frameworks you can use in your code
Stylus - EXPRESSIVE, DYNAMIC, ROBUST CSS