This module is mature. It is being used on many Drupal-powered web sites, including several high-profile ones!

  • Stand Against Poverty (United Nations)
    This web site, built by Development Seed, allows people to connect to stand up against poverty. The central goal is to facilitate the organizing of events. And that is where Hierarchical Select comes in.
    An event must obviously be organized at some location. Hierarchical Select makes selecting that location fast and painless.
  • Nieuwsblad Verenigingen (Belgian newspaper)
    This web site has been built by ONE Agency, to enable schools, sports clubs, i.e. any non-profit organisation, to post news items.
    People that would like to read the news of the regional soccer club, can then use Hierarchical Select to find it.
  • … and in the back-ends of many more web sites, including:
    • Mother Jones (most widely read progressive magazine in the U.S.)
      Uses Hierarchical Select to classify their articles. Built by EchoDitto.
    • Vancouver Magazine (covers events, people and issues of Vancouver)
      Also uses Hierarchical Select to classify their articles. Built by Grey Vancouver.
    • Arizona State University
      Needed to allow teachers to select grades from the complex, state-defined grading system. Hierarchical Select was the only widget scalable enough to support it.
    • GeeksAndGod.com (podcast community web site)
      Geeks & God use it when someone adds a tutorial or review.
    • RTBF (Belgian television channel)
      Uses Hierarchical Select to categorize all of its news items.

Feel free to contact me if you would like to be added to this list.