• HelloTxt
  A service that allows you to update your status various services, such as Facebook and Twitter, simultaneously and instantaneously.
  in Public bookmarks with aggregators facebook hellotxt jaiku microblogging plaxo pownce social_networking tools tumblr twitter by 10 users
• Plaxo
  Online calendar and address book. Includes Plaxo Pulse, a service that lets you see social networking activities of people in your address book, like changes in their profiles, new Flickr photos they’ve added, etc.
  address book contact mac management mobile network online outlook professional sync
  in Public bookmarks with address_books calendars communities e-mail information_managers plaxo productivity social_networking sync tools by 38 users

plaxo from all users