The internet tool that would be wildly used is the Search Engine. There are a lot of methods to get the quality traffic with out having to pay the money.
And Search Engine Optimization (SEO) is the term wildly used today, too. It is the utilizing tools and methods in making your websites to the top ten or higher ranking in the search engine result. Because almost people who use search engine will using the only top ten results on the first page.
There are a lot of subject you have to change in your websites for SEO. There are a lot of websites will provide you the articles that offer tips & tricks, roadmaps or guidelines in how to get more traffic using the free method. If you use these free methods, you will drive more traffic to your websites. You could be try and patient. Learn more about the methods and you will have the great traffic flow.
This is the easy method. Now, you will see many websites have a link to other websites with the same subject. Webmasters are willing to exchange links with the other sites. Link exchanges make your chance to getting the good rank in the Search Engine Result Page (SERP). The more incoming-links you have, the more traffic you get.
Write and Submit Articles
Now, there are a lot of free article directory websites. They offer free submit and posting of your articles. You only spend the time in writing your free articles. You will write the articles about the tips, information or guidelines that are theme along with the subject of your websites. And submit them to the free article directory website.
There is the Resource box or About author section at the bottom of your article that you should provide data about yourself and your websites. If you provide the interesting articles, the people will go to your website by click the link in this section. And with the good keywords in your articles, you could get the high ranking in SERP, too.
Forums and Online Communities
This method only takes your time. You can share your experience, information and discussion with the communities. You will post and reply the topic with the quality content. Show them what you are made of. You will get the free advertising from the forums that have the same subject with your websites. You should target the certain group that is the right people that you are looking for.
In many forums and online communities, you will have permit to add your links in the signature.
It sounds like hard work because of the newsletters contents. But the benefit is almost higher than the other methods. You can use the newsletters to provide the people with the interesting, news or product contents. Please keep in mind that, if there are a lot people sign up for your newsletter, you will the more quality traffic.
It works well especially when your website and your link exchange website feature the same subject.