AliveMon 2.0
AliveMon is a network monitor that lets you know when servers or routers fail. Configurable alarms enable you to quickly solve problems before they turn into real headache. You can even automatically take corrective actions by auto-starting programs. Application-specific probes let you check the actual status of your application (like web or game servers). Many other tools just do a ping, which only checks the system itself, not the application.

Axence nVision 3.5
nVision monitors your network: Windows, TCP/IP services, web and mail servers, URLs, applications. It also monitors routers and switches: network traffic, interface status, connected computers. You can collect network inventory and audit license usage. nVision will alert you in case of a program installation or any configuration change. With the agent you can monitor user activity and access computers remotely. You can access nVision via the Web!

ByteOMeter 1.5.1
ByteOMeter monitors network and internet traffic on your network card or SNMP router. It visualizes the network traffic in real-time with smooth graphs and shows your current speed in bytes per second. Also featured is WebStats for monitoring your connection remotely, statistics per session, day and month and ByteGuard, which lets you set alerts when a certain traffic limit is reached and a range of different colour themes to suit your desktop.

Chroniker for Availability Monitoring 5.0
NodeWatch is for monitoring availability and response time of your nodes, ports, servers, applications, and vital network components.TaskWatch for testing important user tasks so you know the response time of databasequeries, email, FTP, web page forms and content matching, LDAP queries, DNS, even custom tasks

Ping Monitor Tool : SuperPinger 2.12
SuperPinger is a powerful graphic ping tool . It is able to detect thousands of IP equipments simultaneously and send message when states of some equipments change , it could also adopt necessary steps to deal with troubles.It is able to do two things:1. Watch states of network line/server/ switch/router/work station/other IP devices.2 Watch IP address situation of one or more network address segments and ON/OFF information of computers.

RouterConsole V1.1.2
RouterConsole fetches Routing table, ARP table, Interface Table, Interface details and displays different interface graphs and Interface details.In addition it also fetches Memory pool table, Process table, Cisco Running configuration, IP-Accounting data from IP-Accounting enabled Cisco Switches/Router.

SNMPTest 1.05
SNMP Test for routers is a tool that queries and monitors SNMP-compatible devices but it is especially designed to test SNMP router compatibility. The first part of the test queries the system name and system description strings, the forwarding flag and enumerates all the exposed interfaces. The 2nd part of the test monitors SNMP traps from the device (your system must be configured to receive traps from the device).

TheOne SysLog Manager Lite 3.5.0
Syslog Manager is a syslog server. It can receive, log, display and forward Syslog messages from all syslog enabled device such as router, firewall or switch. It can receive TCP and UDP syslog messages and send out alert message by Email, SMS, SMS-HTTP, Syslog, SNMP and Pager. SysLog Manager Lite / Pro is based on internet standard protocol, which is specified by RFC 3164 and RFC 3195.

ACL Manager 2.0
ACL Manager lets you control routers and firewalls from your PC. Deploy the same access list to different device types such as Cisco and Juniper. Save time and money in router ACL management. Manage thousands of routers from a single application. Minimize errors in ACL deployment. Accurately update and deploy ACLs across your enterprise. Strengthen network security with fine-tuned, granular access policies. Easy to learn and use.

RouterSyslog 1.3.5
RouterSyslog view the Syslog from your Router. With Portinfo and View advanced IP information. And many more info Systray with log info as hint. Memory use in Systray mode ~560kb. Can save as daily syslog_date.txt. With german instruction