| Vendor | Product Name | Vector/Raster/Both | Server OS |
| AutoDesk | MapGuide | Vector | Win NT 3.51 |
| Bentley | Microstation GeoGraphics | Vector | ? |
| ESRI | MapObjects | Both | Win NT |
| MapInfo | ProServer | Vector | Win NT/95 |
| Intergraph | GeoMedia Web Map | Both | Windows NT / UNIX (?) |
| Genasys | Spatial WebBroker | Both | UNIX type |
| APPIAN Interactive Corp. | APPIAN "Carta" | Vector /Both | UNIX type |
| ObjectFX | Spatial Net | Both | Win NT, SUN Solaris, HP-UX |
| Universal Systems Ltd. | CARIS Internet Server | Both | UNIX ? |