Orion Network Performance Monitor 8.5 (by SolarWinds)
Free trial: server-based fault, bandwidth and network performance management

TFTP Server 9.1 (by SolarWinds)
Multi-threaded TFTP server used to upload/download executable images and configs

Engineer's Toolset 9.0 (by SolarWinds)
Includes 47 network diagnostic and analysis tools directly from the desktop.

Cirrus Configuration Manager 3.5 (by SolarWinds)
Solution designed to streamline and automate network configuration management.

Advanced Subnet Calculator 8.0 (by SolarWinds)
SolarWinds Calculator creates all subnets with CIDR, real-time DNS & PING tests.

Orion VoIP Monitor 1.0 (by SolarWinds)
VoIP Monitor: Robust management for VoIP infrastructure at an affordable price

VoIP SDK with DLL, OCX/ActiveX, COM, C-interface a 1.0 (by conaito Technologies)
VoIP Evo SDK - A simple way to VoIP-enable your applications and websites

VoIP Evo SDK for Windows and Linux 1.0 (by conaito Technologies)
VoIP Evo SDK - A simple way to VoIP-enable your applications and websites

Vax VoIP activeX SDK 3.0 (by VaxSoft Inc)
Vax VoIP activeX is the best way to add voice chat in your apps and webpages.

Business Voip Solution 1.0 (by Clear View)
Voip stands for Voice over Internet Protocol. It is a free phone service.

VSoft3 3.3 (by MoBif Berhad)
VSoft is a simple,free VOIP phone alllow to make low cost call.

conaito VoIP SDK ActiveX 5.2 (by conaito Technologies)
conaito VoIP SDK for developers of VoIP audio applications and webpages

conaito VoIP Enterprise SDK ActiveX 2.1 (by conaito Technologies)
conaito VoIP Enterprise SDK for developers of VoIP audio application and website

conaito VoIP ActiveX SDK 4.0 (by conaito)
conaito VoIP ActiveX library for developers of VoIP audio applications

VoIPerized 2.4 (by Jeroen de Kleijn)
VoIPerized enables you to make free audio calls to other people.

Netoscope 1.6 (by Basta Computing, Inc.)
Netoscope: Internet server monitor.

The Dude 1.1 (by MikroTik)
The Dude will layout your network on a map and will monitor services of devices

Sniff-em Packet sniffer 1.12 (by YASC LTD)
Sniff'em 1.12 is a Windows based allround Packet sniffer and Network analyzer.

SNMPTest 1.03 (by Noel Danjou)
Query and monitor any SNMP-compatible device

MailMonitor 1.6.3 (by DigiArch.org)
If you have mail problems, MailMonitor shows you what's going on at port level.