The Top 50 by Blog

The 50 most popular betas ranked by the authority of the productblog at Technorati.

1. flickr – Blog (11453)
2. del.icio.us – Blog (1887)
3. Google AdSense API – Blog (1279)
4. Tailrank – Blog (390)
5. Google Video – Blog (383)
6. Amigo – Blog (174)
7. Odeo – Blog (172)
8. Netvibes – Blog (156)
9. LibraryThing – Blog (152)
10. Yahoo! 360 – Blog (141)
11. coComment – Blog (113)
12. Squidoo – Blog (100)
13. edgeio – Blog (95)
14. vpod.tv – Blog (85)
15. Etsy – Blog (81)
16. Flock – Blog (77)
17. Fleck – Blog (77)
18. Ning – Blog (65)
19. Zooomr – Blog (64)
20. Shopify – Blog (64)
21. Dabble DB – Blog (62)
22. MyWeb – Blog (59)
23. claimID – Blog (53)
24. Sphere – Blog (50)
25. Podscope – Blog (47)
26. Plazes – Blog (46)
27. HEMiDEMi – Blog (38)
28. BlogBurst – Blog (36)
29. Remember the Milk – Blog (33)
30. Waxxi – Blog (26)
31. Fold – Blog (26)
32. Smarking – Blog (26)
33. Krugle – Blog (26)
34. Jellyfish – Blog (24)
35. RawSugar – Blog (23)
36. swicki – Blog (22)
37. Pingoat – Blog (21)
38. blog karde?li?i – Blog (21)
39. iBegin – Blog (20)
40. Qype* – Blog (20)
41. BlinkList – Blog (19)
42. News Alloy – Blog (17)
43. Zookoda – Blog (15)
44. TextPayMe – Blog (15)
45. green.tv – Blog (15)
46. CrowdStorm – Blog (12)
47. Podradio – Blog (10)
48. WidSets – Blog (10)
49. Qunu – Blog (10)
50. Plum – Blog (10)

(update: I’ve dropped the section and put the full list here)