The HeadCounters WordPress plugin adds a widget that displays how many visitors are on your site at that moment. Now Configurable!
HeadCounters was created by the friendly web developers at True Interactive.net.
We strive to create flexible, easy-to-implement, and highly useful tools for web people. Our main focus is monetization; we want to help you get the best possible return on your website authoring efforts. To learn more, visit True Interactive (www.trueinteractive.net), Search Integrate (www.searchintegrate.com), and HeadCounters.com (www.headcounters.com).
May your visitors and fortunes multiply!