| group | group longname | active | # packs | # contributors |
|---|---|---|---|---|
| wx | 1997-1997 | 5 | 0 | |
| wyld | Wyld Studios | 1996-1996 | 1 | 7 |
| xess | 1995-1995 | 1 | 5 | |
| xga | Xtreme Graphics Alliance | 1994-1994 | 1 | 10 |
| xide | 1995-1995 | 2 | 9 | |
| xpak | Xpak | 1996-1997 | 2 | 10 |
| xtremal | 1998-1999 | 4 | 1 | |
| yak | 1996-1996 | 3 | 14 | |
| yeah | Young Elite Artistic Hackers | 1995-1995 | 1 | 5 |
| yix | 2020-2020 | 1 | 4 | |
| zaal | 2021-2021 | 1 | 1 | |
| zeitnot | 2002-2003 | 5 | 3 | |
| zenith | 1998-1998 | 4 | 34 | |
| zionage | 1995-1995 | 1 | 1 | |
| zorn | 1994-1994 | 1 | 2 |