| Rendering engine | Browser | Platform(s) | Engine version |
|---|---|---|---|
| Trident | Internet Explorer 4.0 | Win 95+ | 4 |
| Trident | Internet Explorer 5.0 | Win 95+ | 5 |
| Trident | Internet Explorer 5.5 | Win 95+ | 5.5 |
| Trident | Internet Explorer 6 | Win 98+ | 6 |
| Trident | Internet Explorer 7 | Win XP SP2+ | 7 |
| Trident | AOL browser (AOL desktop) | Win XP | 6 |
| Gecko | Firefox 1.0 | Win 98+ / OSX.2+ | 1.7 |
| Gecko | Firefox 1.5 | Win 98+ / OSX.2+ | 1.8 |
| Gecko | Firefox 2.0 | Win 98+ / OSX.2+ | 1.8 |
| Gecko | Firefox 3.0 | Win 2k+ / OSX.3+ | 1.9 |
| Gecko | Camino 1.0 | OSX.2+ | 1.8 |
| Gecko | Camino 1.5 | OSX.3+ | 1.8 |
| Gecko | Netscape 7.2 | Win 95+ / Mac OS 8.6-9.2 | 1.7 |
| Gecko | Netscape Browser 8 | Win 98SE+ | 1.7 |
| Gecko | Netscape Navigator 9 | Win 98+ / OSX.2+ | 1.8 |
| Gecko | Mozilla 1.0 | Win 95+ / OSX.1+ | 1 |
| Gecko | Mozilla 1.1 | Win 95+ / OSX.1+ | 1.1 |
| Gecko | Mozilla 1.2 | Win 95+ / OSX.1+ | 1.2 |
| Gecko | Mozilla 1.3 | Win 95+ / OSX.1+ | 1.3 |
| Gecko | Mozilla 1.4 | Win 95+ / OSX.1+ | 1.4 |
| Gecko | Mozilla 1.5 | Win 95+ / OSX.1+ | 1.5 |
| Gecko | Mozilla 1.6 | Win 95+ / OSX.1+ | 1.6 |
| Gecko | Mozilla 1.7 | Win 98+ / OSX.1+ | 1.7 |