| Michael Moore | Progenitor of the chess server idea and author of the original chess server software. |
| Daniel Sleator | Author of much of original ICS. |
| Richard Nash | Original author of the Free ICS Software Distribution. |
| 'Friar' from FICS | Author of most of the original FICS help files. |
| Ulrich Schlechte | Programmer of most of the fancy features and extensions on GICS. |