Guard is in no way dependent on rails. It is a generic system for binding to filesystem events. But yes, I can see that there is a decent market for this in th

Guard is in no way dependent on rails. It is a generic system for binding to filesystem events. But yes, I can see that there is a decent market for this in the command-line illiterate, but I can't imagine that there is much crossover between that group and users of less/sass/coffescript/jslint.