Press releases (PR) are a great tool to get the word out about your company or product, but if done correctly can it can also be a great SEO opportunity. The problem is most of the traditional outlets cost a lot of money and offer some or limited SEO benefits. While most of the free online PR sites offer less in the way of human traffic, they can go a long way to creating quality backlinks to your site. Below is a link of 100 of the best free online PR sites:

(List courtesy of conversionstats.com – post on 400 quality links that deliver both immediate traffic and search rankings.)

1. http://www.24-7pressrelease.com
2. http://www.addpr.com
3. http://www.afly.com
4. http://www.afreego.com
5. http://www.africa.emailwire.com/
6. http://www.africanewswire.net
7. http://www.articlecity.prwebdirect.com
8. http://www.baygo.com/press/
9. http://www.betanews.com
10. http://www.billhartzer.com
11. http://www.bizeurope.com/pressrelease.htm
12. http://www.businessopportunity.biz
13. http://www.businesswire.com
14. http://www.cdn-news.com/
15. http://www.click2newsites.com/
16. http://www.creativecommons.org/
17. http://www.dbusiness.com/pressrelease.htm
18. http://www.devarchive.com
19. http://www.devpress.com/addNews.html
20. http://www.dime-co.com
21. http://www.downloadjunction.com
22. http://www.earthvision.net
23. http://www.eceurope.com/index.htm
24. http://www.editorandpublisher.com/
25. http://www.emailwire.com
26. http://www.emediawire.com
27. http://www.epicinnovations.com
28. http://www.ereleases.com
29. http://www.e-syndicate.net
30. http://www.eworldwire.com
31. http://www.exchangenet.com
32. http://www.express-press-release.com/
33. http://www.fibre2fashion.com
34. http://www.forrelease.com/
35. http://www.free-press-release.com
36. http://www.gebbieinc.com/
37. http://www.groupweb.com
38. http://www.highwire.stanford.edu/
39. http://www.hotmicrocap.com
40. http://www.hspstreet.com/pr/
41. http://www.hungarynewswire.com
42. http://www.ideamarketers.com/
43. http://www.ideasiteforbusiness.com/cpress1.htm
44. http://www.imediafax.com/
45. http://www.i-newswire.com
46. http://www.internetnewsbureau.com
47. http://www.internetworldstats.com/press.htm
48. http://www.internetwriters.com
49. http://www.learn-more.org
50. http://www.lunareclipse.net/pressrelease.htm
51. http://www.macgo.net/news/submit.php
52. http://www.majon.com/advanced/advanced-pr.html
53. http://www.marketwire.com
54. http://www.mediapeak.com
55. http://www.mediapost.com/
56. http://www.media-press-release.com
57. http://www.news.baou.com/
58. http://www.newslink.org/
59. http://www.newspad.com/
60. http://www.newswire.ca/
61. http://www.newzalert.com/
62. http://www.openpr.com
63. http://www.openpress.com/
64. http://www.opportunityupdate.com/articles/
65. http://www.our-hometown.com/
66. http://www.ourworld.compuserve.com/
67. http://www.powerhomebiz.com/BizNews/pressrelease.htm
68. http://www.pr.com
69. http://www.pr9.net
70. http://www.prbot.com/
71. http://www.press-base.com/
72. http://www.pressbox.co.uk
73. http://www.pressflash.com/
74. http://www.pressmethod.com
75. http://www.pressreleasenetwork.com
76. http://www.press-release-writing.com
77. http://www.prfree.com/
78. http://www.prleap.com
79. http://www.profnet.org/press.html
80. http://www.programmersheaven.com
81. http://www.promaxum.com/promaxum_newsflash.html
82. http://www.promotionworld.com
83. http://www.prudentpressagency.com
84. http://www.prweb.com
85. http://www.prwebdirect.com
86. http://www.sbwire.com
87. http://www.searchwarp.com
88. http://www.seo-pr.com
89. http://www.softpressrelease.com
90. http://www.softwaremarketingresource.com
91. http://www.software-review-center.org/act/addnews.php
92. http://www.softwarewire.com/SubmitRelease.htm
93. http://www.store.1choice4ystore.com/articles.html
94. http://www.storebuilder.co.uk
95. http://www.symbcity.com/new/public
96. http://www.thehostingnews.com/
97. http://www.theopenpress.com
98. http://www.urlwire.com/
99. http://www.webnewswire.com/
100. http://www.webwire.com/