This is a good list of free world web directories and free UK web directories . There are literally thousands of free web directories on the internet but most of them are not worth the hassle, unless you’re looking at niche specific or regional directories. In fact, I suggest submitting your site to directories with a homepage PR of at least 4. If you have more time on your hands or the budget to do so, you can also target PR3 directories, however I would start with the bigger and more established free directories, such as these ones here: Free Web Directories and Free UK Web Directories