Corexpert.com offers ready-made software and custom software development. For more information please continue directly to Products and Services sections.


Products contains ready-made software available for download and instalation into your computer. All products are ready for Windows platform.

Download new version 3.0 of product Sms GateKeeper, added support for long messages, revision of message length calculation script, full version is available for free now!

Sms GateKeeper Software for sending sms messages.
Sms GateKeeper Service Service for sending sms messages integration.


Services for reliable custom software development, on Microsoft.NET, Microsoft SQL and Oracle technologies. Supported technologies covers needs to create client / server and three-tier applications.

.NET development Development on .NET 1.1, 2.0, 3.5, 4.0, 4.5 platform.
Microsoft SQL development Development on MS SQL 2000 / 2005 / 2008 / 2012 / 2014 / 2016 database.
Oracle development Development on Oracle 9i / 10g / 11g / 12c database.

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