Here are some Dofollow sites you can utilize to bookmark and get backlinks for your website.

1. slashdot.org
2. delicious.com
3. www.reddit.com
4. www.mixx.com
5. www.2collab.com
6. www.mister-wong.de
7. www.digg.com
8. www.propeller.com
9. www.moemesto.ru
10.www.mister-wong.es
11. www.blinklist.com
12.www.mister-wong.cn

Also, here’s a list of do follow forums that lets you put links in your forum signature.

1. http://forums.digitalpoint.com
2. http://www.vuju.com/
3. http://checkthisup.com
4. http://www.sitepoint.com/forums
5. http://www.thewebmasterforum.net
6. http://www.webmasterforums.com
7. http://www.allcoolforum.com
8. http://www.warriorforum.com
9. http://forums.webicy.com
10. http://thehyipforum.com
11. http://www.webmasterforumsonline.com
12. http://www.webmasters.am/forum
13. http://www.webmasterforums.net
14. http://www.devhunters.com
15. http://www.webmaster-forum.net
16. http://www.geekvillage.com/forums
17. http://www.zymic.com/forum
18. http://www.webmastershelp.com
19. http://www.webmasterdesk.org
20. http://www.webmasterground.com
21. http://developers.evrsoft.com/forum
22. http://www.websitebabble.com
23. http://www.elancetalk.com
24. http://www.talkingcity.com
25. http://www.australianwebmaster.com
26. http://www.wtricks.com
27. http://www.forums.webzonetalk.com
28. http://www.htmlforums.com
29. http://www.searchbliss.com/forum
30. http://www.webmasterize.com

*forum list source: Niceblogger.com