1. http://www.backflip.com/login.ihtml
2. http://www.barksbookmarks.com/engine/
3. http://www.bibsonomy.org/
4. http://www.blinklist.com/
5. http://www.blipoo.com/
6. http://www.blogbookmark.com/
7. http://faves.com/home
8. http://www.blurpalicious.com/
9. http://www.bmaccess.net/
10. http://www.bookkit.com/index.jsp?message=mustlogin
11. http://www.bookmarkall.com
12. www.bookmark-manager.com
13. http://www.bookmarktracker.com
14. http://www.bookmax.net
15. http://www.buddymarks.com/
16. http://www.bukmark.net/
17. http://www.citeulike.org/
18. http://claimid.com/
19. http://www.clipclip.org/
20. http://www.cloudytags.com/
21. http://www.complore.com/
22. http://www.connotea.org/
23. http://www.contentpop.com/
24. http://www.corank.com/
25. http://de.lirio.us/
26. http://del.icio.us/
27. http://www.diigo.com/
28. http://www.digg.com/
29. http://www.easybm.com/
30. http://www.ez4u.net/
31. http://www.favoor.com/
32. http://www.freelink.org/
33. http://www.fungow.com/
34. http://www.furl.net
35. http://www.gather.com/
36. http://www.getboo.com/
37. http://www.hyperlinkomatic.com/
38. http://ww2.ikeepbookmarks.com/Default.asp
39. http://www.jigg.in/
40. http://www.kaboodle.com/
41. http://www.kinja.com/
42. http://www.lilisto.com/
43. http://www.linkagogo.com/
44. http://linkarena.com/
45. http://www.linksnarf.com/
46. http://www.listerlister.com/
47. http://ma.gnolia.com/
48. http://www.marktd.com/
49. http://www.memfrag.com/
50. http://www.memotoo.com/
51. http://www.mister-wong.com/
52. http://www.mixx.com/
53. http://www.mobleo.net/
54. http://multiply.com/
55. [...]
