Luxena Informix Data Access Components 

allows you create Informix access applications in common BDE fashion. IDAC ensures reliability as well as usability. It is excellent for BDE migration and for rapid client-server and/or n-tier development. Is a very good alternative to BDE and ADO
native informix api direct access native query execution break bde ado alternative migration easy

xplorer2 

All the shell goodies from windows explorer, none of the hassle! Plus all the features you would expect from a powerful tabbed dual-pane file manager, including Omni-Finder, a find files module that searches everywhere with arbitrary criteria
file manager dual pane explorer replacement viewer shell search column editor norton commander utility system

Advanced Email Verifier 

Check validity of emails in mailing lists, databases and address books. Advanced Email Verifier verifies every email address from a given mailing list and allows you to determine up to 90 % of dead e-mail addresses.
aev email verifier g-lock check emails clean maillist

IPSpaceMon 

SpaceMon makes it easy to watch network storage space and alert you from your current network monitoring package* or simply rely on notification email sent by SpaceMon when a resource dips below the amount of free space you specify.
dasd network monitor space storage drive disk

IPAppmon 

A life-saver application for those MIS specialists needing to guarantee up-time on desktop application style server utilities. Now network monitoring and even automatic re-starting of failed applications is possible.
network monitor tcp/ip tcp whats up server alive application

GEO Spider 

GEO Spider helps you to trace, identify and monitor your network activity on world map. Whois reports give to you more info about site, host, domain, ip address...
geo spider traceroute whois visual trace world map utility