Operating Systems

Linux

Microsoft Windows XP/… /10/11

Windows Server 2003/08/12/16

Android

iOS
Mac OS

Software frameworks & IDEs

Microsoft .NET Framework
UWP
Xamarin

Microsoft Visual Studio 2015
Borland Developer Studio 2006
Embarcadero RAD Studio 10.1 Berlin
Android Studio
Eclipse IDE

Operating Systems
Software frameworks & IDEs

Linux
Microsoft Windows XP/… /10/11
Windows Server 2003/08/12/16
Android
iOS
Mac OS

Microsoft .NET Framework
UWP
Xamarin

Microsoft Visual Studio 2015
Borland Developer Studio 2006
Embarcadero RAD Studio 10.1 Berlin
Android Studio
Eclipse IDE

Programming languages
Internet technologies

C#, C, C++ (MFC, OWL)
Delphi
Java (J2EE, J2SE, J2ME)
Assembler
AJAX, PHP, ASPX, HTML
XML/XSL/XVL
Transact-SQL
PL/pgSQL
PL/SQL
COM/DCOM
ActiveX Data Objects
Windows sockets
wxWidgets
OpenGL, DirectX
Microsoft Silverlight
WPF, WCF

Databases and utilities
Project management

PostgreSQL
Oracle
Microsoft SQL Server
IBM DB2
MySQL
Firebird
Microsoft Access

NSIS
Help Workshop
Windows Installer
SVN, Git
CVS
DUnit, NUnit, JUnit
Mantis
Microsoft Project