Koala
Koala is a GUI application for less
...If encountered an error during compilation, koala will pop up the error message. Support for the project to create a global configuration set the same compiler options for the files. koala is built with node-webkit. node-webkit is an app runtime based on Chromium and node.js. You can write native apps in HTML and Javascript with node-webkit. Listens to files, compiles automatically when file changes occur. Everything runs in the background without the need for user input.