| ADO .NET | ActiveX Data Objects .NET |
| API | Application Programming Interface |
| ASP | Active Server Pages |
| BCL | Base Class Library |
| CCW | COM Callable Wrapper |
| CF | (.NET) Compact Framework |
| CIL | Common Intermediate Language |
| CLI | Common Language Infrastructure |
| CLR | Common Language Runtime |
| CLS | Common Language Specification |
| COM | Component Object Model |
| CORBA | Common Object Request Broker Architecture |
| CTS | Common Type System |
| DCOM | Distributed COM |
| DLL | Dynamic Link Library |
| DNA | Distributed interNetwork Architecture |
| ECMA | European Computer Manufacturer's Association |
| EJB | Enterprise JavaBean |
| FIFO | First in, First out |
| GAC | Global Assembly Cache |
| GDI+ | Graphical Device Interface+ |
| GUI | Graphical User Interface |
| IDE | Integrated Development Environment |
| IDL | Interface Definition Language |
| IIOP | Internet Inter-ORB Protocol |
| IIS | Internet Information Server |
| IL | Intermediate Language |
| I/O | Input/Output |
| J2EE | Java 2 platform, Enterprise Edition |
| J2ME | Java 2 platform, Micro Edition |
| JAXP | Java API for XML Processing |
| JCP | Java Community Process |
| JCW | Java Callable Wrapper |
| JDBC | Java Database Connectivity |
| JDK | Java Development Kit |
| JIT | Just-in-time |
| JLCA | Java Language Conversion Assistant |
| JMS | Java Messaging Service |
| JNI | Java Native Interface |
| JRE | Java Runtime Environment |
| JRMP | Java Remote Method Protocol |
| JSP | JavaServer Pages |
| JUMP | Java User Migration Path |
| JVM | Java Virtual Machine |
| LIFO | Last in, First out |
| MFC | Microsoft Foundation Classes |
| MSIL | Microsoft Intermediate Language |
| MSMQ | Microsoft Message Queue |
| MTS | Microsoft Transaction Server |
| OO | Object-oriented |
| PDA | Personal Digital Assistant |
| PE | Portable Executable |
| RMI | Remote Method Invocation |
| SDE | Smart Device Extension |
| SDK | Software Development Kit |
| SOAP | Simple Object Access Protocol |
| SSI | Single Sign-In |
| UCS | Universal Character Set |
| UDDI | Universal Description, Discovery and Integration |
| UML | Unified Modeling Language |
| UNC | Universal Naming Convention |
| URL | Uniform Resource Locator |
| UTF | UCS Transformation Format |
| VB .NET | Visual Basic .NET |
| VB 6 | Visual Basic 6 |
| VS .NET | Visual Studio .NET |
| WSDL | Web Services Description Language |
| XML | Extensible Markup Language |