Found some great directories where we can submit our website urls for free. I think it will help us increasing our search engine rankings !!

www.agada.info/web-directory
www.directory-free.com
www.freeaddurl.org
www.eplanit.biz
www.geeksonsteroids.com/directory
www.morrison-directory.com
www.linkscafe.com
www.urlcan.com