+- **Users and User Groups resource usage**<br/>
+ by summarizing the process tree per user and group,
+ reporting: CPU, memory, disk reads, disk writes, swap, threads, pipes, sockets
+
+- **Apache and lighttpd web servers**<br/>
+ `mod-status` (v2.2, v2.4) and cache log statistics, for multiple servers
+
+- **Nginx web servers**<br/>
+ `stub-status`, for multiple servers
+
+- **Tomcat**<br/>
+ accesses, threads, free memory, volume
+
+- **web server log files**<br/>
+ extracting in real-time, web server performance metrics and applying several health checks
+
+- **mySQL databases**<br/>
+ multiple servers, each showing: bandwidth, queries/s, handlers, locks, issues,
+ tmp operations, connections, binlog metrics, threads, innodb metrics, and more
+
+- **Postgres databases**<br/>
+ multiple servers, each showing: per database statistics (connections, tuples
+ read - written - returned, transactions, locks), backend processes, indexes,
+ tables, write ahead, background writer and more
+
+- **Redis databases**<br/>
+ multiple servers, each showing: operations, hit rate, memory, keys, clients, slaves
+
+- **mongodb**<br/>
+ operations, clients, transactions, cursors, connections, asserts, locks, etc
+
+- **memcached databases**<br/>
+ multiple servers, each showing: bandwidth, connections, items
+
+- **elasticsearch**<br/>
+ search and index performance, latency, timings, cluster statistics, threads statistics, etc
+
+- **ISC Bind name servers**<br/>
+ multiple servers, each showing: clients, requests, queries, updates, failures and several per view metrics