WorldSeoHub

Forum Posting is one of the old technique of Off-Page SEO to build backlinks

Here is the List of Instant Approval Directory Submission Sites

Here is the list of social bookmarking list

Here is the List of High PR Directory Submission Sites

Here is the List of High PR Do-follow Social Bookmarking Sites

Here is the List of Top Search Engine Submission List

Here is the List of Press Release Submission Sites