(Updated October 2012)
MyBlogGuest – is a community that connects guest bloggers to blog owners. Free to join.
Blog Engage – allows you to submit your blog articles that will be reviewed by all, with the chance of being promoted to the PR4 home page.
Blogger Linkup – is a free service that is all about helping you, whether you’re a blogger or someone who wants to get the attention of bloggers.
Content Facilitator – guest blogging community and content marketplace.
GuestBlogIt – Guest blogging resource. Submit your content or find content for your blog for FREE. Gain high quality relevant back links.