Your results contain 10 solutions with the following criteria :

Supervision and metrics
Solution Smile rating Users rating Popularity
nagios Nagios 4.5 Smile 4.1 Visitors
65%   Popularity on the site
centreon Centreon 4.3 Smile 4.5 Visitors
84%   Popularity on the site
cacti Cacti 4.0 Smile No rating
34%   Popularity on the site
Munin Munin 4.0 Smile 4.0 Visitors
23%   Popularity on the site
zabbix Zabbix 3.7 Smile 4.3 Visitors
40%   Popularity on the site
Opennms OpenNMS 3.2 Smile No rating
28%   Popularity on the site
MRTG No rating No rating
10%   Popularity on the site
Zenoss No rating 4.9 Visitors
16%   Popularity on the site
Icinga logo Icinga No rating 4.2 Visitors
12%   Popularity on the site
Shinken No rating 2.7 Visitors
34%   Popularity on the site