Useful Firefox extensions, from StumbleUpon to Greasemonkey.

Share and Enjoy: These icons link to social bookmarking sites where readers can share and discover new web pages.
  • Digg
  • del.icio.us
  • Facebook
  • Google
  • connotea
  • DZone
  • Reddit
  • Slashdot
  • StumbleUpon
  • Technorati

Please share your thoughts