| Abbreviation | Definition |
|---|---|
| ISE | Integrated Software Environment |
| ISEE | Instant Support Enterprise Edition |
| ISG | Software Group |
| ISIA | Information And Software Industry Association |
| ISIAR | Intelligent Software for Industrial Automation and Robotics (The Netherlands) |
| ISIN | Irish Software Innovation Network |
| ISIS | Image and Scanner Interface Specification |
| ISIS | Infinity Systems Integration Software |
| ISIS | Integrated Software for Imagers and Spectrometers |
| ISIS | Integrative Systems Implementation Software |
| ISIS | International Species Information System |
| ISIS | International Spline Interface Standard |
| ISIS2 | IATA Software for Industry System |
| ISL | Interface Specification Language |
| ISLE | International Standard for Language Engineering |
| ISM | Integration Server Management |
| ISM | Interactive Surface Modeling |
| ISMP | International Symposium on Mathematical Programming |
| ISOCS | In Situ Object Calibration Software |
| ISOLDE | Integrated Software and On-Line Documentation Environment |