RFC Viewer 

RFC Viewer is a powerful RFC browsing utility for networking program and protocol developers. It parses the original RFC file, and generates a section directory tree as well as a page index for content browsing.
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TICK 

TICK is probably the ultimate freeware dial up enhancer. Logs all dial up networking calls. Uses no runtime files and has popup digital display, IP Address finder, web notify tools, finger, ping and lots more.
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IGetMail 

IGetMail works with your Microsoft Exchange email server to download incoming POP3 email from multiple remote servers. It supports individual and group/domain accounts. Uses dial-up networking and operates on a time/frequency schedule you define.
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FF Network Billing 

FAST Client/Server Network Technology for your invoices and billing! Runs on all Windows Networks for Win95/98/ME/NT/2000 systems with the TCP/IP networking protocol installed. Features: unlimited invoices, quotes, payments, customers and products!
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DUNTrack 

Use DUNTrack to monitor, log & analyze your dial-up networking usage. Generate four different types of detailed reports about your usage pattern. With DUNTrack you also get a bunch of great tools which make the most out of your dial-up connection.
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MarshallSoft DUN Dialer for C/C++ 

MarshallSoft Dialup Networking (DUN) Component for C/C++. Version 2.1, 6/7/2002. Invoke 32-bit Windows Dialup Networking (DUN) from your application code to dial up any installed Internet Service Provider (ISP).
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