| Similarity | Rank | |
|---|---|---|
| unix-like | 0.942 | 84794 |
| noblenet | 0.933 | 73803 |
| vars | 0.932 | 53935 |
| mainframe-based | 0.931 | 63531 |
| 88000-based | 0.931 | 75103 |
| informix-gateway | 0.928 | 91940 |
| openodb | 0.928 | 69617 |
| toolbus | 0.926 | 81394 |
| non-ibm | 0.926 | 65045 |
| iapx-86-based | 0.922 | 51691 |
| vxm | 0.921 | 93102 |
| ca-unicenter | 0.921 | 41866 |
| tricord | 0.921 | 59821 |
| vaxe | 0.921 | 68878 |
| wavetracer | 0.920 | 91860 |
| esix | 0.920 | 54865 |
| co-developing | 0.920 | 84454 |
| datacom | 0.919 | 82839 |
| teamware | 0.919 | 92308 |
| 3000 | 0.919 | 72338 |
| mathsoft | 0.919 | 81079 |
| pnms | 0.918 | 92392 |
| non-unix | 0.917 | 66254 |
| alliant | 0.917 | 99052 |
| pc-to-unix | 0.917 | 90794 |