The biggest betas in the webosphere ranked by the number of bookmarks at del.icio.us. Currently more than 10,000 sites are tracked. This list will be updated monthly.

MoMB Top 100 [September 21 2011]

  1. flickr (80349 overall)
  2. zamzar (46302 overall)
  3. slideshare (39313 overall)
  4. etsy (35111 overall)
  5. technorati (35084 overall)
  6. browsershots (34871 overall)
  7. kuler (34838 overall)
  8. prezi (34032 overall)
  9. ffffound (31466 overall)
  10. netvibes (31323 overall)
  11. ajaxload (31290 overall)
  12. keepvid (29719 overall)
  13. wolframalpha (29244 overall)
  14. hulu (29142 overall)
  15. animoto (28690 overall)
  16. picnik (27144 overall)
  17. gliffy (25814 overall)
  18. librarything (24803 overall)
  19. ning (23707 overall)
  20. iconfinder (22673 overall)
  21. remember-the-milk (22455 overall)
  22. google-maps (21296 overall)
  23. evernote (20958 overall)
  24. del.icio.us (20840 overall)
  25. mindmeister (20280 overall)
  26. vixy (20153 overall)
  27. behance-network (20014 overall)
  28. typetester (19545 overall)
  29. musicovery (18944 overall)
  30. tineye (18192 overall)
  31. gmail (17900 overall)
  32. mint (17120 overall)
  33. wufoo (16746 overall)
  34. zillow (16197 overall)
  35. zotero (15981 overall)
  36. vectormagic (15881 overall)
  37. add-this (15112 overall)
  38. xtranormal (15094 overall)
  39. livemocha (14904 overall)
  40. pocketmod (14619 overall)
  41. kickstarter (13837 overall)
  42. mediafire (13704 overall)
  43. google-trends (13201 overall)
  44. ustreamtv (13131 overall)
  45. farecast (12877 overall)
  46. diigo (12683 overall)
  47. dimdim (12626 overall)
  48. meebo (12551 overall)
  49. flock (12368 overall)
  50. widgetbox (12009 overall)
  51. wix (11542 overall)
  52. videojug (11420 overall)
  53. docstoc (11401 overall)
  54. ajax-rain (11378 overall)
  55. dropbox (11300 overall)
  56. pixlr (11281 overall)
  57. joost (11255 overall)
  58. befunky (11181 overall)
  59. hack-a-day (11156 overall)
  60. crazy-egg (10978 overall)
  61. pipl (10911 overall)
  62. google-web-toolkit (10901 overall)
  63. google-reader (10811 overall)
  64. kaywa-qr-code (10476 overall)
  65. shelfari (10400 overall)
  66. pageflakes (10268 overall)
  67. cakephp (10259 overall)
  68. splashup (10205 overall)
  69. stripe-generator (10170 overall)
  70. friendfeed (10114 overall)
  71. wetpaint (9971 overall)
  72. favicon.cc (9939 overall)
  73. blogger (9903 overall)
  74. google-news (9886 overall)
  75. multicolr (9833 overall)
  76. tripit (9823 overall)
  77. mindomo (9703 overall)
  78. voki (9591 overall)
  79. google-font-directory (9560 overall)
  80. 280-slides (9555 overall)
  81. google-scholar (9539 overall)
  82. polldaddy (9503 overall)
  83. hootsuite (9327 overall)
  84. google-book-search (9261 overall)
  85. twitterfeed (9193 overall)
  86. giveaway-of-the-day (9177 overall)
  87. google-docs (9152 overall)
  88. alltop (9119 overall)
  89. soundcloud (9068 overall)
  90. voicethread (8816 overall)
  91. alternativeto (8651 overall)
  92. lovelycharts (8624 overall)
  93. g2p (8334 overall)
  94. yelp (8310 overall)
  95. mockingbird (8289 overall)
  96. activecollab (8244 overall)
  97. classtools (8197 overall)
  98. quantcast (8164 overall)
  99. mozy (8147 overall)
  100. swivel (8117 overall)