| http_server | 167 |
| Tomcat | 98 |
| Struts | 22 |
| openoffice | 18 |
| geronimo | 9 |
| OFBiz | 8 |
| subversion | 7 |
| Apache HTTP Server | 6 |
| apr-util | 6 |
| mod_python | 6 |
| ActiveMQ | 5 |
| Apache Tomcat | 5 |
| archiva | 5 |
| Apache OFBiz | 4 |
| Apache Tika | 4 |
| couchdb | 4 |
| derby | 4 |
| log4j | 4 |
| portable_runtime | 4 |
| spamassassin | 4 |
| axis2 | 3 |
| CXF | 3 |
| Olingo | 3 |
| qpid | 3 |
| Solr | 3 |
| VCL | 3 |
| wicket | 3 |
| xerces-c++ | 3 |
| Apache Archiva | 2 |
| Apache Camel | 2 |
| Apache CXF | 2 |
| Apache Fineract | 2 |
| Apache JSPWiki | 2 |
| Apache Solr | 2 |
| Apache SpamAssassin | 2 |
| Apache Tapestry | 2 |
| Apache Thrift | 2 |
| HertzBeat | 2 |
| james | 2 |
| Kafka | 2 |
| log4net | 2 |
| mod_fcgid | 2 |
| mod_jk | 2 |
| mod_perl | 2 |
| myfaces | 2 |
| Shiro | 2 |
| Storm | 2 |
| tomcat_jk_web_server_connector | 2 |
| traffic_server | 2 |
| activemq-artemis | 1 |