TrafMeter 

TrafMeter provides a powerful accounting and realtime monitoring of Internet traffic to and from a local network with. It can produce XML traffic reports or/and log traffic counters into a database. It can track visited websites by its name.
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NetMail-Light 

NetMail is a mail system for local networks and mobile access, either with the built-in webmail interface, or using NetMail's own client software. Also optimized for GSM, GPRS, UMTS, TCP/IP connections. (Not suited for Outlook as client.)
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Cisco CDP Monitor 

Cisco CDP Monitor is an efficient network diagnostic and troubleshhoting tool. It is very useful for network administrator and network engineer. It is a CDP agent for windows host. It is able to use the CDP which is a private protocol of Cisco.
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Network Administrator's Toolkit 

A set of network management tools designed for the corporate network administration. This toolkit consists of the two components that will monitor your corporate servers availability and performance and inventory user workstations
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Alchemy Network Monitor PRO 

Alchemy Network Monitor monitors your network servers and business-critical applications availability and performance and immediately alerts you if a server gets out of order.
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Backup2005 Pro 

A powerful backup and synchronization utility with a lot of options and quite user-friendly. Backup2005 Pro supports unlimited zip file size (Pkware Deflate64). Yyou can backup any folder to any destination (network, removable media including CD DVD)
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