Analyse It 

Analyse It is a SNMP network interface utilization and error, graphical reporting tool. Enables network availability, performance, reliability and utilization reporting.
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LanHunter 

LanHunter makes it easy to search for files on your local network (LAN). When you use LanHunter, you can specify several search criteria. For example, you can search for files by name, date, size and text in a file.
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HttpConnect 

HttpConnect 1.1 is a client/server application that allows you to access network resource across a company firewall. Especially those application that can not use proxy server or blocked by firewall.
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Comtun Pro 

stealth network firewall, NAT software router, HTTP caching, SOCKS server, access control and authentication, built-in DHCP Server, dial-up control, VPN (PPTP and IPSec), network monitoring and management, banner blocking, firewall timing control
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LinkFerret Remote Capture Agent 

Remote is an efficient, easy to use, low cost, Ethernet/802.11 capture agent. Network admins may use it in scripts to periodically sample and store network traffic. Non-technical personnel can capture files and automatically forward results.
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iSpeed for Windows 

The settings for TCP/IP connections established when installing Windows do not typically give you the optimal throughput for your TCP/IP network connections. The simple changes that are facilitated by using iSpeed can easily increase your speeds!
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