Snifflib is divided into several modules based on subject area. Individuals with expertise and strong interest in a subject area can request to become a developer of that module. The current developers and the modules they develop are listed below.
| Module | Developers (SFN Username) |
| functions | |
| graphtheory | |
| invprobs | |
| util | |
| datatypes | |
| graphics | |
| integration | |
| linalg | |
| documentation |