GAP Packages

There are 166 packages that are shipped with GAP 4.15.1. Note that newer versions might be available on the package websites.

Name Version Date Subtitle
4ti2Interface 2024.11-01 2024-11-23 A link to 4ti2
ACE 5.7.0 10/04/2025 Advanced Coset Enumerator
AClib 1.3.3 28/08/2025 Almost Crystallographic Groups - A Library and Algorithms
AGT 0.3.1 31/12/2022 Algebraic Graph Theory
ALCO 1.1.2 05/09/2025 Tools for algebraic combinatorics
Alnuth 3.2.1 05/04/2022 Algebraic number theory and an interface to PARI/GP
ANUPQ 3.3.2 28/08/2025 ANU p-Quotient
AtlasRep 2.1.9 27/08/2024 A GAP Interface to the Atlas of Group Representations
AutoDoc 2025.10.16 16/10/2025 Generate documentation from GAP source code
Automata 1.16 30/08/2024 A package on automata
AutomGrp 1.3.3 08/01/2025 Automata groups
AutPGrp 1.11.1 10/04/2024 Computing the Automorphism Group of a p-Group
Browse 1.8.21 01/03/2023 browsing applications and ncurses interface
CAP 2025.09-04 2025-09-22 Categories, Algorithms, Programming
CaratInterface 2.3.7 16/10/2024 Interface to CARAT, a crystallographic groups package
CddInterface 2025.06.24 24/06/2025 Gap interface to Cdd package
Circle 1.6.6 25/02/2023 Adjoint groups of finite rings
classicpres 1.22 06/05/2022 Classical Group Presentations
cohomolo 1.6.12 17/10/2025 Cohomology groups of finite groups on finite modules
Congruence 1.2.7 28/08/2024 Congruence subgroups of SL(2,Integers)
corefreesub 0.6 11/03/2024 A GAP Package for calculating the core-free subgroups and their faithful transitive permutation representations
CoReLG 1.57 07/07/2024 Computing with real Lie algebras
CRIME 1.6 17/03/2022 A GAP Package to Calculate Group Cohomology and Massey Products
CRISP 1.4.8 14/08/2025 Computing with Radicals, Injectors, Schunck classes and Projectors
crypting 0.10.6 20/06/2025 Hashes and Crypto in GAP
Cryst 4.1.30 22/09/2025 Computing with crystallographic groups
CrystCat 1.1.10 29/07/2022 The crystallographic groups catalog
CTblLib 1.3.11 2025-05-25 The GAP Character Table Library
Cubefree 1.21 29/08/2025 Constructing the Groups of a Given Cubefree Order
curlInterface 2.4.2 20/06/2025 Simple Web Access
cvec 2.8.4 20/06/2025 Compact vectors over finite fields
datastructures 0.4.0 14/10/2025 Collection of standard data structures for GAP
DeepThought 1.0.9 20/06/2025 This package provides functions for computations in finitely generated nilpotent groups based on the Deep Thought algorithm.
DESIGN 1.8.2 02/11/2024 The Design Package for GAP
DifSets 2.3.1 14/09/2019 an algorithm for enumerating all difference sets in a group
Digraphs 1.13.1 27/09/2025 Graphs, digraphs, and multidigraphs in GAP
EDIM 1.3.8 21/02/2024 Elementary Divisors of Integer Matrices
Example 4.4.1 2025-06-20 Example/Template of a GAP Package
ExamplesForHomalg 2023.10-01 2023-10-05 Examples for the GAP Package homalg
FactInt 1.6.3 15/11/2019 Advanced Methods for Factoring Integers
ferret 1.0.15 11/09/2025 Backtrack Search in Permutation Groups
FGA 1.5.0 04/04/2023 Free Group Algorithms
FinInG 1.5.6 27/07/2023 Finite Incidence Geometry
float 1.0.9 26/08/2025 Integration of mpfr, mpfi, mpc, fplll and cxsc in GAP
FORMAT 1.4.4 09/01/2024 Computing with formations of finite solvable groups.
Forms 1.2.13 05/05/2025 Sesquilinear and Quadratic
FPLSA 1.2.7 29/08/2025 Finitely Presented Lie Algebras
FR 2.4.13 11/01/2024 Computations with functionally recursive groups
francy 2.0.3 16/04/2023 Framework for Interactive Discrete Mathematics
fwtree 1.3 28/01/2020 Computing trees related to some pro-p-groups of finite width
GAPDoc 1.6.7 21/02/2024 A Meta Package for GAP Documentation
Gauss 2024.11-01 2024-12-03 Extended Gauss functionality for GAP
GaussForHomalg 2024.08-01 2024-08-22 Gauss functionality for the homalg project
GBNP 1.1.0 29/08/2024 computing Gröbner bases of noncommutative polynomials
GeneralizedMorphismsForCAP 2025.08-01 2025-08-25 Implementations of generalized morphisms for the CAP project
genss 1.6.9 29/07/2024 Generic Schreier-Sims
GradedModules 2024.12-01 2024-12-22 A homalg based package for the Abelian category of finitely presented graded modules over computable graded rings
GradedRingForHomalg 2024.07-01 2024-07-09 Endow Commutative Rings with an Abelian Grading
GRAPE 4.9.3 06/09/2025 GRaph Algorithms using PErmutation groups
groupoids 1.79 11/09/2025 Calculations with finite groupoids and their homomorphisms
GrpConst 2.6.5 22/01/2024 Constructing the Groups of a Given Order
Guarana 0.96.3 11/02/2022 Applications of Lie methods for computations with infinite polycyclic groups
GUAVA 3.20 01/02/2025 a GAP package for computing with error-correcting codes
HAP 1.70 19/07/2025 Homological Algebra Programming
HAPcryst 0.1.15 26/07/2022 A HAP extension for crystallographic groups
hecke 1.5.4 27/08/2024 Calculating decomposition matrices of Hecke algebras
HeLP 4.0 29/02/2024 Hertweck-Luthar-Passi method.
homalg 2024.01-01 2024-01-10 A homological algebra meta-package for computable Abelian categories
HomalgToCAS 2025.08-01 2025-09-06 A window to the outer world
IBNP 0.17 11/09/2025 Involutive Bases for Noncommutative Polynomials
idrel 2.49 02/10/2025 Identities among relations
images 1.3.3 27/08/2024 Minimal and Canonical images
InduceReduce 1.3 16/10/2025 Unger’s algorithm to compute character tables of finite groups
IntPic 0.4.0 30/08/2024 A package for drawing integers
IO 4.9.3 21/06/2025 Bindings for low level C library I/O routines
IO_ForHomalg 2023.02-04 2023-02-28 IO capabilities for the homalg project
IRREDSOL 1.4.4 16/11/2022 A library of irreducible soluble linear groups over finite fields and of finite primivite soluble groups
ITC 1.5.1 01/03/2022 Interactive Todd-Coxeter
json 2.2.3 21/06/2025 Reading and Writing JSON
JupyterKernel 1.5.1 07/07/2024 Jupyter kernel written in GAP
JupyterViz 1.5.6 16/08/2022 Visualization Tools for Jupyter and the GAP REPL
kan 1.37 23/01/2024 including double coset rewriting systems
kbmag 1.5.11 03/01/2023 Knuth-Bendix on Monoids and Automatic Groups
LAGUNA 3.9.7 01/07/2024 Lie AlGebras and UNits of group Algebras
LieAlgDB 2.3.0 24/09/2025 A database of Lie algebras
LiePRing 2.9.1 11/06/2024 Database and algorithms for Lie p-rings
LieRing 2.4.2 10/02/2022 Computing with finitely presented Lie rings
LinearAlgebraForCAP 2025.09-01 2025-09-17 Category of Matrices over a Field for CAP
LINS 0.9 15/03/2024 provides an algorithm for computing the normal subgroups of a finitely presented group up to some given index bound.
LocalizeRingForHomalg 2023.10-01 2023-10-05 A Package for Localization of Polynomial Rings
loops 3.4.4 29/08/2024 Computing with quasigroups and loops in GAP
lpres 1.1.1 12/07/2024 Nilpotent Quotients of L-Presented Groups
MajoranaAlgebras 1.5.2 07/07/2024 A package for constructing Majorana algebras and representations
MapClass 1.4.6 17/09/2022 A Package For Mapping Class Orbit Computation
matgrp 0.72 25/08/2025 Matric Group Interface Routines
MatricesForHomalg 2025.09-01 2025-09-07 Matrices for the homalg project
ModIsom 3.0.0 23/09/2024 Computing automorphisms and checking isomorphisms for modular group algebras of finite p-groups
ModulePresentationsForCAP 2025.09-01 2025-09-22 Category R-pres for CAP
Modules 2024.12-01 2024-12-22 A homalg based package for the Abelian category of finitely presented modules over computable rings
MonoidalCategories 2025.08-02 2025-08-25 Monoidal and monoidal (co)closed categories
NConvex 2024.12-01 28/12/2024 A Gap package to perform polyhedral computations
Nilmat 1.4.2 05/08/2022 Computing with nilpotent matrix groups
NoCK 1.5 30/03/2022 Computing obstruction for the existence of compact Clifford-Klein form
NormalizInterface 1.4.1 20/06/2025 GAP wrapper for Normaliz
nq 2.5.11 12/01/2024 Nilpotent Quotients of Finitely Presented Groups
NumericalSgps 1.4.0 30/08/2024 A package for numerical semigroups
OpenMath 11.5.3 25/02/2023 OpenMath functionality in GAP
orb 5.0.1 20/06/2025 Methods to enumerate orbits
PackageManager 1.6.3 14/05/2025 Easily download and install GAP packages
PatternClass 2.4.5 30/08/2024 A permutation pattern class package
permut 2.0.5 11/01/2024 A package to deal with permutability in finite groups
Polenta 1.3.11 10/04/2025 Polycyclic presentations for matrix groups
Polycyclic 2.17 28/08/2025 Computation with polycyclic groups
polymaking 0.8.7 04/10/2023 Interfacing the geometry software polymake
PrimGrp 4.0.1 24/09/2025 GAP Primitive Permutation Groups Library
profiling 2.6.2 21/06/2025 Line by line profiling and code coverage for GAP
QDistRnd 0.9.5 20/11/2024 Calculate the distance of a q-ary quantum stabilizer code
QPA 1.35 04/01/2024 Quivers and Path Algebras
QuaGroup 1.8.4 11/01/2024 Computations with quantum groups
RadiRoot 2.9 01/03/2022 Roots of a Polynomial as Radicals
RCWA 4.8.0 22/09/2025 Residue-Class-Wise Affine Groups
RDS 1.9 24/09/2025 A package for searching relative difference sets
recog 1.4.4 22/01/2025 A package for constructive recognition of permutation and matrix groups
RepnDecomp 1.3.1 10/09/2025 Decompose representations of finite groups into irreducibles
Repsn 3.1.2 22/01/2024 Constructing representations of finite groups
ResClasses 4.7.4 24/09/2025 Set-Theoretic Computations with Residue Classes
RingsForHomalg 2024.11-02 2024-11-16 Dictionaries of external rings
SCO 2023.08-01 2023-08-23 SCO - Simplicial Cohomology of Orbifolds
SCSCP 2.4.4 27/08/2025 Symbolic Computation Software Composability Protocol in GAP
Semigroups 5.5.4 29/08/2025 A package for semigroups and monoids
SglPPow 2.4 20/03/2024 Database of groups of prime-power order for some prime-powers
SgpViz 0.999.6 30/08/2024 A package for semigroup visualization
simpcomp 2.1.14 15/03/2022 A GAP toolbox for simplicial complexes
singular 2025.08.26 26/08/2025 A GAP interface to Singular
SL2Reps 1.1 26/11/2022 Constructing symmetric representations of SL(2,Z).
SLA 1.6.2 12/07/2024 Computing with simple Lie algebras
smallantimagmas 0.5.1 26/09/2025 A library of antiassociative magmas of small order
SmallClassNr 1.4.2 11/10/2025 Library of finite groups with small class number
SmallGrp 1.5.4 04/07/2024 The GAP Small Groups Library
Smallsemi 0.7.2 25/02/2025 A library of small semigroups
SONATA 2.9.7 23/09/2025 System of nearrings and their applications
Sophus 1.27 09/08/2022 Computing in nilpotent Lie algebras
SOTGrps 1.3 29/08/2024 Constructing and identifying groups of small order type
SpinSym 1.5.2 01/10/2019 Brauer tables of spin-symmetric groups
StandardFF 1.0 13/09/2023 Standard finite fields and cyclic generators
SymbCompCC 1.3.2 10/02/2022 Computing with parametrised presentations for p-groups of fixed coclass
Thelma 1.3 03/03/2022 THreshold ELements, Modeling and Applications
TomLib 1.2.11 12/01/2024 The GAP Library of Tables of Marks
ToolsForHomalg 2025.05-01 2025-05-02 Special methods and knowledge propagation tools
Toric 1.9.6 04/07/2024 toric varieties and some combinatorial geometry computations
TransGrp 3.6.5 15/12/2023 Transitive Groups Library
TwistedConjugacy 3.1.1 12/10/2025 Computation with twisted conjugacy classes
typeset 1.2.3 03/07/2025 Automatic typesetting framework for common GAP objects, with LaTeX generation
UGALY 4.1.3 07/07/2023 Universal Groups Acting LocallY
Unipot 1.6 04/07/2024 Computing with elements of unipotent subgroups of Chevalley groups
UnitLib 5.0.0 12/06/2025 Library of normalized unit groups of modular group algebras
utils 0.92 11/09/2025 Utility functions in GAP
uuid 0.7 01/03/2022 RFC 4122 UUIDs
walrus 0.9991 21/02/2022 A new approach to proving hyperbolicity
Wedderga 4.11.1 07/07/2025 Wedderburn Decomposition of Group Algebras
WPE 0.8 21/10/2024 Provides efficient methods for working with wreath product elements.
XGAP 4.33 14/09/2025 a graphical user interface for GAP
XMod 2.95 10/07/2025 Crossed Modules and Cat1-Groups
XModAlg 1.32 11/04/2025 Crossed Modules and Cat1-Algebras
YangBaxter 0.10.7 14/07/2025 Combinatorial Solutions for the Yang-Baxter equation
ZeroMQInterface 0.17 20/06/2025 ZeroMQ bindings for GAP
Name Version Date Subtitle

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