MDaemon 

MDaemon , Windows-based email server software, contains full mail server functionality and control with a strong emphasis on security to protect your email communication needs. Security features include Greylisting, DKIM, DomainKeys (DK), and SPF.
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AteoMessenger 

AteoMessenger is a custom instant messenger application with webcam support. It is able to send the webcam frames both by p2p (direct connection) or trough server if direct connection is not possible due to firewall/gateway.
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Parabuild 

Parabuild is a powerful software build management server featuring continuous integration and stable nightly and daily builds. Parabuild helps software teams and organizations reduce risks of project failures, save money, and increase productivity.
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Radar Website Monitor 

Radar Website Monitor is a multithreaded website monitoring tool, watching different protocols, including HTTP(S), SMTP, POP3, FTP, TCP. It can log the server performance, generate real-time reports, and notify you upon detection of problem or error.
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Website Monitoring Expert 

Website Monitoring Expert is a multithreaded website monitoring tool, watching different protocols, including HTTP(S), SMTP, POP3, FTP, TCP. It can log the server performance, generate real-time reports, and notify you upon detection of problem or error.
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Client/Server Comm Lib for Visual Basic 

Client/Server comm VB and VB.NET component library for TCP/IP winsock communication over a network such as the internet or an intranet (LAN). Allows multiple servers and clients to run simultaneously Supports "one time" passwords for added security
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