| A2A | application-to-application |
| ACID | Atomicity, consistency, isolation, and durability |
| ADL | architecture description language |
| AIS | Applied Information Sciences |
| ANSI | American National Standards Institute |
| API | application program interface; application programming interface |
| APSEC | Asian-Pacific Software Engineering and International Computer Science Conference |
| ASC | Accredited Standards Committee |
| ASCII | American Standard Code for Information Interchange |
| AST | abstract syntax tree |
| ATAM | architecture trade-off analysis method |
| B2B | business-to-business |
| BDA | business data area |
| BFC | BizTalk Framework Compliant |
| BI | business intelligence |
| BMP | bean-managed persistence |
| BOD | business object document |
| BPR | business process reengineering |
| BSR | business service request |
| CBS | COTS-based systems |
| CEFACT | Center for Trade Facilitation and Electronic Business |
| CGI | Common Gateway Interface |
| CM | configuration management |
| CMP | container-managed persistence |
| CMU | Carnegie Mellon University |
| COBOL | common business-oriented language |
| COCOMO | constructive cost model |
| CODASYL | Conference on Data Systems Languages |
| COM | Component Object Model |
| COMAPI | communications application program interface |
| CORBA | common object request broker architecture |
| COTS | commercial-off-the-shelf |
| CPA | Collaboration Protocol Agreement |
| CPP | Collaboration Protocol Profile |
| CPU | central processing unit |
| CRM | communication resource manager |
| CRUD | create-read-update-delete |
| DB | Database |
| DBMS | database management system |
| DBRM | Database Resource Manager |
| DBTG | Database Task Group |
| DCE | Distributed Computing Environment |
| DDL | data description language |
| DLL | dynamic link library |
| DML | Data Manipulation Language |
| DMS | Data Management System |
| DOM | document object model |
| DOT | Distributed Object Technology |
| DPS | Display Processing System |
| DTD | document type definition |
| DTP | Distributed Transaction Processing |
| ECL | Execution Control Language |
| EDI | electronic data interchange |
| EDIFACT | Electronic Data Interchange for Administration, Commerce and Transport |
| EIS | enterprise information system |
| EJB | Enterprise JavaBeans |
| ERCOLE | encapsulation, reengineering, and coexistence of object with legacy |
| ERP | enterprise resource planning |
| ETL | extraction, transformation, and loading |
| FAA | Federal Aviation Administration |
| FIFO | first in first out |
| FORTRAN | formula translation |
| FRU | field- replaceable unit |
| FTP | File Transfer Protocol |
| GCOS | General Comprehensive Operating System |
| GIF | Graphics Interchange Format |
| GIG | Giga Information Group |
| GUI | graphical user interface |
| HTML | Hypertext Markup Language |
| HTTP | HyperText Transmission Protocol |
| HTTPS | HyperText Transmission Protocol, Secure |
| HVTIP | high-volume transaction processing |
| IDE | integrated development environment |
| IDL | Interface Definition Language |
| IETF | Internet Engineering Task Force |
| IIOP | Internet Inter-ORB Protocol |
| I/O | input/output |
| IP | Internet Protocol |
| ISO | International Organization for Standardization |
| IT | Information Technology |
| J2EE | Java 2 Enterprise Edition |
| J2SE | Java 2 Standard Edition |
| JAAS | Java Authentication and Authorization Service |
| JAF | JavaBeans Activation Framework |
| JAXP | Java API for XML Processing |
| JCA | J2EE Connector Architecture |
| JDBC | Java Database Connectivity |
| JDK | Java Development Kit |
| JIT | just in time |
| JMS | Java Message Service |
| JNDI | Java Naming Directory Interface |
| JNI | Java Native Interface |
| JPEG | Joint Photographic Experts Group |
| JRE | Java runtime environment |
| JSP | JavaServer Pages |
| JTA | Java Transaction API |
| JTS | Java Transaction Service |
| JVM | Java Virtual Machine |
| KLOC | thousands (kilo-) of lines of code |
| KSLOC | thousands of source lines of code |
| LAN | local area network |
| LOC | lines of code |
| MB | Megabyte |
| MCB | message control bank |
| MDB | message-driven bean |
| MIME | Multipurpose Internet Mail Extensions |
| MOM | message-oriented middleware |
| MQ | message queue |
| MQI | message queue interface |
| MSMQ | Microsoft Message Queue |
| NATO | North Atlantic Treaty Organization |
| NSDIR | National Software Data and Information Repository |
| OAG | Open Applications Group |
| OAGIS | Open Applications Group Integration Specification |
| OAMAS | Open Applications Group Middleware API Specification |
| OASIS | Organization for the Advancement of Structured Information Standards |
| OCL | Object Constraint Language |
| ODBC | Open Database Connectivity |
| ODBMS | object database management system |
| ODMG | Object Data Management Group |
| OLAP | on-line analytical processing |
| OLTP | on-line transaction processing |
| OMG | Object Management Group |
| OO | object orientation, object oriented |
| OODB | object-oriented database |
| OODBMS | object-oriented database management system |
| OQL | Object Query Language |
| ORB | object request broker |
| ORDBMS | object-relational database management system |
| OS | operating system |
| OSI | Open Systems Interconnect |
| OTS | Object Transaction Service |
| PBS | Portable Bookshelf |
| PC | personal computer |
| PIP | partner interface processes |
| PL | Programming Language |
| PM | Person Months |
| QA | quality assurance |
| QoS | quality of service |
| RAM | random access memory |
| RDBMS | relational database management system |
| RDMS | Relational Data Management System |
| REI | Rose Extensibility Interface |
| RM | resource manager |
| RMI | remote method invocation |
| RNIF | RosettaNet Implementation Framework |
| ROI | return on investment |
| RPC | remote procedure call |
| RPG | report program generator |
| RSF | Rigi Standard Format |
| RSS | Retail Supply System |
| SAM | System Analysis and Migration |
| SAP | Systems, Applications and Products |
| SAX | Simple API for XML |
| SEI | Software Engineering Institute |
| SGML | Standardized General Markup Language |
| SLOC | source lines of code |
| SMOP | Simple Matter of Programming |
| SMTP | Simple Mail Transfer Protocol |
| SNA | Systems Network Architecture |
| SOAP | Simple Object Access Protocol |
| SPX | Sequenced Packet Exchange |
| SQL | Structured Query Language |
| SQLJ | SQL with Java |
| SRE | Software Risk Evaluation |
| SRF | Standard Retail Framework |
| SSL | Secure Sockets Layer |
| TCP | Transmission Control Protocol |
| TIP | transaction processing |
| TM | transaction monitor |
| TP | transaction processing |
| TPA | trading partner agreement |
| TREX | Tree Regular Expressions for XML |
| TX | transaction |
| UC | UCS C |
| UCOB | UCS COBOL |
| UCS | universal compiling system |
| UDDI | Universal Description, Discovery, and Integration |
| UDS | Universal Data Management System |
| UFP | unadjusted function point |
| UI | user interface |
| UML | Unified Modeling Language |
| VOS | Virtual Operating System |
| W3C | World Wide Web Consortium |
| WAN | wide area network |
| WG | Working Group |
| WIP | work in process |
| WSDL | Web Services Description Language |
| XA | extended architecture |
| XATMI | extended architecture transaction management interface |
| XML | eXtensible Markup Language |
| XML4J | eXtensible Markup Language for Java |
| XSL | eXtensible Style Language |
| XSLT | eXtensible Style Language Transformation |
| Y2K | Year 2000 |