Vicomsoft DHCP Server - Easy TCP/IP Network Administration

Cygsoft' also has a LDAP Browser which provides powerful features like search, create, list, and edit for LDAP directories.

VPN, Firewall w/ stateful inspection, NAT, RIP, OSPF, BGP, QoS (traffic shaping), VLAN, DHCP, triple 100MB ethernet.

Kerio Technologies is a manufacturer of Internet messaging and security products.

Providers of Virtual Private Networking (VPN), Internet Firewall Security, Intrusion Detection and Managed IT security services. This includes consulting, the technologies, configuration and installation, and ongoing support.

Develops and markets server appliances for IT networks, with optimised hardware, operating system and application software.

NetScanTools Pro is an advanced internet information gathering toolkit.

A unique software technology that enables IT vendors to integrate it on their hardware platform and build their own multifunction Appliance solution

Focused on security, Stenstrom Scientific Inc. provides complete secure network solutions to organizations of all types and sizes. Stenstrom Scientific provides enterprise security solutions, assessments, and security training for large corporations, small businesses, and federal, state and local governments. Stenstrom Scientific's staff of security advisors and certified engineers can assist you with your current security products, provide recommendations to enhance your network security, evaluate your network for any vulnerabilities with full vulnerability assessments, and security audits

ServConf is a freeware program that will help you manage Windows NT/2000/2003/XP Services and Service Drivers and at the same time will let you keep tracking of Windows Events since it has an integrated Event Log viewer.