How to get free backlinks for your website ?

Just go through the following points and you will see a lots of method to get backlinks and totally free links.

Use Forum Signatures

Join forums on your business or topic and write your website URL in your signature. Not only URL also add link text. But
 every forum does not accepts links in signatures so read the rules of a forum before putting your website URL in your signature

Add site to Free Web Directories

Add your site to the correct category of a web directory.

Writing Articles in Article Submitting Sites like Goarticles.com

You can also write and submit articles. Use links inside of Articles. Publish on quality sites.

Create Blog & Social Media

It is important that you create a blog beside of your main domain, i.e, if your domain is abc.com, you can create a blog as abc.com/myblog . Create good articles and content on your blog and submit them to the social media websites like Digg, Del.icio.us etc. If your content is really good, you are sure to get a host of Free back links.

Website Review

There are various websites and forums that conducts review of website/product/services. Submit your website to these and with each review you are sure to get at least one free back link