Little:eye 3.0   
by CBR Software   

CBR little:eye, which is developed for management of IT infrastructure of enterprise
and provides management of fault, performance, inventory and configuration
is the closest assistant of system administrators through impressive user interface and usability .
Little:eye network management software performs all of the functions expected from standard network management software like:

Maps(AutoDiscovery)
Monitoring
Fault Management
Remote Control
Inventory management for Windows
Web based reports
Performance Monitoring
CISCO device monitoring
MOTOROLA device monitoring
SNMP Device monitoring
Client-Server Architecture
Network printer monitoring
Syslog Deamon
Application Monitoring

Bandwidth test
DHCP
DNS
HTTP (URL)
IMAP
LDAP
ODBC
POP3
SMTP
Telnet(*)
MSSQL
MAIL
SQL QUERY
UDPECHO
CPU load
Disk size
Memory
NTP
Ping
Process(*)
Service(*)
SNMP
TCP port scan
ORACLE
MS exchange server
Sun Servers
MYSQL
VMWARE
...

Little:Eye is the most cost affective solution for monitoring networks.