All these directories are totally free, even no need for a reciprocal link. You can approve your rank and SEO positions by submitting your websites and blogs.

1. DMOZ : PR8
2. Jayde : PR6
3. My Green Corner : PR6
4. The Living Link : PR6
5. Can Links : PR5
6. Search Sight : PR5
7. Free Website Directory : PR5
8. Miri Black : PR5
9. Niche Listings : PR5
10. Esearch Research : PR5
11. Master Moz Directory : PR5
12. Domaining : PR5
13. Londovor : PR5
14. The Shoppings : PR5
15. Ldmstudio Directory : PR5

Make sure that you choose the correct category listing for your site.