Web Development
-C#, VB.NET, ASP.NET, ASP Classic, PHP, Javascript, jQuery, KnockoutJS, EmberJS, AngularJS, VueJS, ReactJS HTML, CSS, XML, JSON.
-WebForm, MVC, MVVM, WebAPI, SOAP, XML-RPC -DotNetNuke, Umraco, Drupal, WordPress, Typo3 , CodeIgniter, Zend
Desktop Development
-C/C++, VB, VBA, C#, Java, WinForm, FoxPro
-MVP
Others
-Unity3d, Photon, Lua
-Team Foundation, Git, SVN, CVS Development Tools -Visual Studio, NetBeans, Eclipse
Database
-MS SQL, MySQL, PostGreSQL, MongoDB, MS Access, IBM DB2
-Entity Framework, TypesORM, Sequelize, T-SQL, OLAP, MSSQL Analysis Services, MSSQL Reporting Services
Application Servers
-Sharepoint, IIS, Apache, Tomcat, IBM WebSphere
Operating System
-Windows, MacOS, LINUX, UNIX and AS/400.
Network Communication-
TCP/IP, IPX/SPX, LAN Card, HUB, Switches, Router, LAN Cabling, DSL.