Validator S.A.C.

If you're looking for an easy-to-use software to validate your HTML/XHTML markup on your Mac OS X, then Validator S.A.C. is definitely worth checking out. Formerly known as Validatelet, it is a stand-alone application that is incredibly simple to install. In fact, no installation is needed as all you have to do is place Validator S.A.C. wherever you need it - whether on your hard drive, flash drive, CD-R, and so on.

One of the best things about Validator S.A.C. is that it is a normal Mac OS X application that can validate local files, as well as pages on local web sites. You can use either the stand-alone Favelet, drag and drop files and URLs onto the application icon or just go to File > Open, whichever is more convenient for you. The best part? You can validate your markup anywhere, even if you're offline. You can use it on an airplane or in the subway - no network needed.

All in all, Validator S.A.C. is a reliable tool that gets the job done without any fuss. It is easy-to-use, simple to install and perfect for those times when you need to validate your markup on the go. Give it a try today and see how much simpler validating your HTML/XHTML markup can be!