LESS Compiler is described as 'makes formatted CSS styles from less source. Beautify or minify compiled CSS if necessary' and is an app in the Development category. There are six alternatives to LESS Compiler for Windows, Mac, Linux, Online / Web-based and node-webkit. The best alternative is Prepros. It's not free, so if you're looking for a free alternative, you could try Scout-App or Crunch!. Other great apps like LESS Compiler are SimpLESS (Free), WinLess (Free) and SASS Compiler (Free).
Compile Less, Sass, Scss, Stylus, Jade, Coffeescript, Haml and Markdown with live browser refresh. Prepros is a web design & development tool that does all the heavy lifting needed to preprocess, optimize and test your sites and keeps your workflow supercharged.
Scout-App is a cross-platform desktop app that delivers the power of Sass to the hands of web designers. Scout-app helps make your CSS workflow a snap by delivering more control, optimization, and organization. No developer required.
Write your LESS markup. Crunch it into a CSS file. Link the crunched CSS file in your HTML. CRUNCH allows you to organize your LESS/CSS styles into some well-organized libraries, and then just serve a single file to the browser.