I am an SEO Expert with seven years of experience, I want to share with you list of websites giving Do-Follow Back links where you can try to get valuable dofollow backlinks. This can improve your website SEO performance. Dofollow blogs or websites use the dofollow attribute and that helps you to boost your backlinks and give link juice. Link juice from a high DA blog or website is good for your website to boost your Google ranking. Specially, if you are active in a niche forum which allows dofollow backlinks, you will not only have a quality link to your site but you will also get targeted traffic.
More info - http://seolinkbuilding.emyspot.com/