Make your own at http://apps.asterisq.com/mentionmap/# [6]
Links:
[1] http://linux.philosweb.com/drupal/category/it/cloud
[2] http://linux.philosweb.com/drupal/category/it/data
[3] http://linux.philosweb.com/drupal/category/it/innovation
[4] http://linux.philosweb.com/drupal/category/it/social-network
[5] http://linux.philosweb.com/drupal/category/it/visualization
[6] http://apps.asterisq.com/mentionmap/#