Monitor custom ports on any server (also port/service uptime in percentage).
Notification if service/port goes down.
Notification of high load (e-mail includes the 5 most cpu-consuming processes).
Show current Load/Memory/Swap & Hard Drive usage.
Server announcements/news area (with RSS feed).
CPU/Processer information (Client view).
Current server uptime (day/hour/min/sec).
Average server load (Client view).
PHP/MySQL/Zend version (Client view).
Kernel/Distro/Platform (Client view).
Dynamic server images (Load/Uptime).
PHPInfo (Client view).
Password protected admin area.
Live admin area (AJAX) displays Load, Memory, Swap, Ports/Services, Users in SSH,

Connection Stats.
Admin Logs Mod Security, Access, Suexec, DMESG, Error & SSL Logs.

System Info:
Processes,
Apache/User CPU & MEM Usage,
Apache Stats,
MySQL Processes,
MySQL Stats,
Process Tree,
NetStat,
Routing Table,
Last SSH Logins.

24 Hour Graphs:
Load,
Memory,
Swap.

Tools:
Apache Bench,
PHP-SSH,
Whois.