SimplytheBest Less Scripts

The hybrid of a textbox and a select box. It's jQuery based and useful for tagging, contact lists, country selectors, and so on. Comes with LESS stylesheets and shims for Bootstrap. Remote data loading.

A CSS pre-processor that extends the CSS language, adding features that allow variables, mixins, functions and many other techniques to make CSS that is more maintainable, themable and extendable. Less runs inside Node, in the browser and inside Rhino. There are also 3rd party tools that allow you to compile your files and watch for changes.

Uploady is a file uploader script with multi file upload support. It comes with more than 20 features and you can set up it in less than 5 minutes. And it is free and open source.