Your results contain 9 solutions with the following criteria :

Corporate social networks (CSNs)
Solution Smile rating Users rating Popularity
BuddyPress BuddyPress 3.0 Smile No rating
37%   Popularity on the site
Drupal Commons Drupal Commons 4.2 Smile 4.5 Visitors
89%   Popularity on the site
Elgg Elgg 2.8 Smile 4.4 Visitors
48%   Popularity on the site
Liferay Social Office Liferay Social Office 3.3 Smile 4.0 Visitors
43%   Popularity on the site
Lovdbyless No rating No rating
15%   Popularity on the site
Mahara No rating No rating
15%   Popularity on the site
Noserub No rating No rating
13%   Popularity on the site
Pligg No rating No rating
14%   Popularity on the site
StatusNet StatusNet 2.2 Smile 2.7 Visitors
16%   Popularity on the site