GAP Packages
There are 172 packages that are shipped with GAP 4.16.0. Note that newer versions might be available on the package websites.
| Name | Version | Date | Subtitle |
|---|---|---|---|
| 4ti2Interface | 2026.05-01 | 2026-05-27 | 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 | 4.0.0 | 14/05/2026 | ALgebraic NUmber THeory and an interface to PARI/GP and OSCAR |
| ANUPQ | 3.3.3 | 25/11/2025 | ANU p-Quotient |
| AtlasRep | 2.1.11 | 01/05/2026 | A GAP Interface to the Atlas of Group Representations |
| AutoDoc | 2026.05.11 | 11/05/2026 | 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 | 1.12.0 | 17/05/2026 | Computing the Automorphism Group of a p-Group |
| Browse | 1.8.22 | 2026-03-19 | browsing applications and ncurses interface |
| CAP | 2026.05-08 | 2026-05-26 | Categories, Algorithms, Programming |
| CaratInterface | 2.3.9 | 05/05/2026 | Interface to CARAT, a crystallographic groups package |
| CddInterface | 2026.03.02 | 02/03/2026 | Gap interface to Cdd package |
| Circle | 1.6.6 | 25/02/2023 | Adjoint groups of finite rings |
| ClassicalMaximals | 1.1 | 26/05/2026 | Maximal subgroups of classical groups |
| 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 | 4.1.31 | 04/05/2026 | Computing with crystallographic groups |
| CrystCat | 1.1.11 | 04/12/2025 | 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 | 2.4.3 | 22/04/2026 | Simple Web Access |
| cvec | 2.8.5 | 15/05/2026 | Compact vectors over finite fields |
| datastructures | 0.4.1 | 26/12/2025 | 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 | 1.14.0 | 22/01/2026 | 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 | 2025.12-01 | 2025-12-23 | Examples for the GAP Package homalg |
| FactInt | 1.6.3 | 15/11/2019 | Advanced Methods for Factoring Integers |
| ferret | 1.0.16 | 20/01/2026 | 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 | 1.0.10 | 27/05/2026 | Integration of mpfr, mpfi, mpc, fplll and cxsc in GAP |
| FORMAT | 1.4.5 | 24/04/2026 | Computing with formations of finite solvable groups. |
| Forms | 1.3.0 | 17/05/2026 | Sesquilinear and Quadratic |
| FPLSA | 1.2.8 | 26/12/2025 | 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 | 1.6.10 | 20/05/2026 | A Meta Package for GAP Documentation |
| Gauss | 2025.12-01 | 2025-12-23 | Extended Gauss functionality for GAP |
| GaussForHomalg | 2026.04-01 | 2026-04-10 | Gauss functionality for the homalg project |
| GBNP | 1.1.0 | 29/08/2024 | computing Gröbner bases of noncommutative polynomials |
| GeneralizedMorphismsForCAP | 2025.12-01 | 2025-12-23 | Implementations of generalized morphisms for the CAP project |
| genss | 1.6.9 | 29/07/2024 | Generic Schreier-Sims |
| GradedModules | 2026.04-01 | 2026-04-10 | A homalg based package for the Abelian category of finitely presented graded modules over computable graded rings |
| GradedRingForHomalg | 2026.04-01 | 2026-04-10 | Endow Commutative Rings with an Abelian Grading |
| GRAPE | 4.9.3 | 06/09/2025 | GRaph Algorithms using PErmutation groups |
| groupoids | 1.81 | 26/11/2025 | 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 | 3.21 | 16/02/2026 | a GAP package for computing with error-correcting codes |
| HAP | 1.75 | 24/03/2026 | Homological Algebra Programming |
| HAPcryst | 0.2.0 | 24/03/2026 | A HAP extension for crystallographic groups |
| hecke | 1.5.4 | 27/08/2024 | Calculating decomposition matrices of Hecke algebras |
| HeLP | 4.1 | 09/01/2026 | Hertweck-Luthar-Passi method. |
| homalg | 2025.12-01 | 2025-12-23 | A homological algebra meta-package for computable Abelian categories |
| HomalgToCAS | 2026.04-01 | 2026-04-10 | A window to the outer world |
| IBNP | 0.18 | 04/11/2025 | 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 | 2025.12-01 | 2025-12-23 | 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 | 2.4.0 | 08/05/2026 | 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 | 2026.05-04 | 2026-05-22 | 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 | 2026.05-01 | 2026-05-27 | A Package for Localization of Polynomial Rings |
| LocalNR | 2.1.0 | 22/05/2026 | Package of local nearrings |
| loops | 3.4.4 | 29/08/2024 | Computing with quasigroups and loops in GAP |
| lpres | 1.1.2 | 22/05/2026 | 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 | 0.73 | 22/05/2026 | Matric Group Interface Routines |
| MatricesForHomalg | 2026.04-01 | 2026-04-10 | Matrices for the homalg project |
| ModIsom | 3.1.0 | 09/01/2026 | Computing automorphisms and checking isomorphisms for modular group algebras of finite p-groups |
| ModularGroup | 2.0.2 | 04/05/2026 | Finite-index subgroups of (P)SL(2,Integers) |
| ModulePresentationsForCAP | 2026.04-01 | 2026-04-10 | Category R-pres for CAP |
| Modules | 2026.04-01 | 2026-04-10 | A homalg based package for the Abelian category of finitely presented modules over computable rings |
| MonoidalCategories | 2026.05-02 | 2026-05-22 | Monoidal and monoidal (co)closed categories |
| NConvex | 2025.12-02 | 2025-12-24 | 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 |
| nofoma | 1.0.1 | 17/05/2026 | Normal forms of matrices |
| NormalizInterface | 1.5.1 | 05/05/2026 | 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 | 5.1.0 | 31/03/2026 | Methods to enumerate orbits |
| Origami | 2.0.3 | 04/05/2026 | Computing Veech groups of origamis |
| PackageMaker | 1.0.1 | 09/05/2026 | A GAP package for creating new GAP packages |
| 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 | 2.18 | 09/04/2026 | Computation with polycyclic groups |
| polymaking | 0.8.9 | 09/04/2026 | Interfacing the geometry software polymake |
| PrimGrp | 4.0.2 | 26/12/2025 | 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 | 1.37 | 13/05/2026 | 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 | 4.9.0 | 04/05/2026 | Residue-Class-Wise Affine Groups |
| RDS | 1.9 | 24/09/2025 | A package for searching relative difference sets |
| recog | 1.5.1 | 19/05/2026 | 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 | 2026.05-01 | 2026-05-27 | Dictionaries of external rings |
| SCO | 2025.12-01 | 2025-12-23 | SCO - Simplicial Cohomology of Orbifolds |
| SCSCP | 2.4.4 | 27/08/2025 | Symbolic Computation Software Composability Protocol in GAP |
| Semigroups | 5.6.3 | 16/05/2026 | 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 | 2026.05.05 | 05/05/2026 | 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 | 1.5.1 | 11/05/2026 | 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 | 2026.04-01 | 2026-04-10 | 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 | 3.3.2 | 11/05/2026 | Computation with twisted conjugacy classes |
| typeset | 1.2.4 | 28/04/2026 | 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 | 0.95 | 18/05/2026 | Utility functions in GAP |
| uuid | 0.7 | 01/03/2022 | RFC 4122 UUIDs |
| walrus | 0.9992 | 12/05/2026 | A new approach to proving hyperbolicity |
| Wedderga | 4.11.3 | 26/12/2025 | 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 | 2.98 | 12/03/2026 | 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 | 0.18 | 09/04/2026 | ZeroMQ bindings for GAP |
| Name | Version | Date | Subtitle |
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