- loops GAP package LOOPS
- RightQuasigroups GAP package RightQuasigroups
- UnitalSZ Abstract unitals and their designs
- glabella Low level interfaces to graph automorphism and canonical labelling tools
- BlissInterface Low level interface to the bliss graph automorphism tool,
- IncidenceStructures GAP implementation of abstract incidence structures
- LRS4GAP LRS linear programming solver interface
- GZero Genus zero curves, divisors and codes
- OnAlgClosure Frobenius action on the algebraic closure
- Hermitian GAP package for Hermitian codes