Packages tagged data-structures

334 packages have this tag.

[Merge tag] (trustees only)

Related tags: library (329), bsd3 (250), data (86), mit (45), program (23), deprecated (16), algorithms (12), graphs (12), gpl (11), apache (9), math (9), succinct-data-structures (8), algebra (7), bioinformatics (6), data-mining (6), concurrency (5), functors (5), machine-learning (5), mpl (5), comonads (4), monads (4), array (3), bit (3), containers (3), control (3), distributed-computing (3), graphics (3), lgpl (3), records (3), bit-vectors (2), bsd2 (2), data-science (2), dependent-types (2), development (2), formal-languages (2), generics (2), lenses (2), miso (2), parallelism (2), public-domain (2), serialization (2), stm (2), text (2), web (2), adjunctions (1), agpl (1), categories (1), charts (1), codec (1), composite (1), concurrent (1), cryptography (1), csv (1), data-flow (1), ...

Name
DLs
Rating
Rev Deps
Description
Tags
Last U/L
Last Version
Maintainers
ADPfusion240.015Efficient, high-level dynamic programming. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)2019-10-010.6.0.0ChristianHoener
ADPfusionSet50.03Dynamic programming for Set data structures. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)2017-10-190.0.0.2ChristianHoener
AlignmentAlgorithms60.01Collection of alignment algorithms (algorithms, bioinformatics, data-structures, gpl, library, linguistics)2017-03-140.1.0.0ChristianHoener
AvlTree120.02Balanced binary trees using the AVL algorithm. (bsd3, data-structures, library)2008-08-294.2AdrianHey
BiobaseTypes140.012Collection of types for bioinformatics (bioinformatics, bsd3, data-structures, library)2021-06-040.2.1.0ChristianHoener
CTRex170.02Open records using closed type families. (bsd3, data, data-structures, library)2014-11-130.6AtzeVanDerPloeg
DrIFT80.01Program to derive type class instances (bsd3, data-structures, library, program)2013-11-112.4.2KiwamuOkabe
DrIFT-cabalized (deprecated in favor of DrIFT)60.01Program to derive type class instances (bsd3, data-structures, deprecated, program)2013-09-032.3.0GwernBranwen, KiwamuOkabe
EdisonAPI440.05A library of efficient, purely-functional data structures (API) (data-structures, library, mit)2023-12-181.3.3.1RobertDockins, lyxia
EdisonCore512.254A library of efficient, purely-functional data structures (Core Implementations) (data-structures, library, mit)2023-12-181.3.3.1RobertDockins, lyxia
EnumMap40.01More general IntMap replacement. (bsd3, data-structures, library)2009-09-150.0.2JohnVanEnk
Etage-Graph100.01Data-flow based graph algorithms (data-structures, lgpl, library, program)2014-05-100.1.8MitarMilutinovic
FenwickTree200.01Data structure for fast query and update of cumulative sums (bsd3, data-structures, library)2015-03-190.1.2.1MichalGajda
GiST50.01A Haskell implementation of a Generalized Search Tree (GiST) (data-structures, library)2013-06-270.0.1MihailBogojeski
HLearn-approximation (deprecated)40.01 (bsd3, data-mining, data-structures, deprecated, library, machine-learning)2013-07-301.1.0MikeIzbicki
HLearn-datastructures (deprecated)30.03 (bsd3, data-mining, data-structures, deprecated, library, machine-learning)2013-07-271.1.0MikeIzbicki
HMap460.01Fast heterogeneous maps and unconstrained typeable-like functionality. (bsd3, data, data-structures, library)2018-04-171.3.0AtzeVanDerPloeg
HoleyMonoid300.01Monoids with holes. (bsd3, data-structures, library)2017-02-130.1.2MartijnVanSteenbergen
I1M90.00Code for the Haskell course taught at the University of Seville. (data-structures, education, gpl, library)2021-05-080.1.0Jose_A_Alonso
InternedData230.01Data interning (with compact regions where possible) (bsd3, data, data-structures, library, natural-language-processing)2019-10-020.0.0.1ChristianHoener
KdTree240.01KdTree, for efficient search in K-dimensional point clouds. (bsd3, data-mining, data-structures, graphics, library, machine-learning)2017-09-290.2.2.1IssacTrotts, jessekempf
PSQueue570.015Priority Search Queue (bsd3, data-structures, library)2023-05-171.2.0HerbertValerioRiedel, ScottDillard, teo
PerfectHash (deprecated in favor of perfecthash)110.01A perfect hashing library for mapping bytestrings to values. (bsd3, data, data-structures, deprecated, library)2016-04-290.1.5MarkWotton
RBTree100.02Pure haskell Red-Black-Tree implemetation (bsd3, data-structures, library)2011-06-090.0.5XingboWu
Stack362.251Stack data structure (bsd3, data-structures, library)2019-01-180.4.0rwlock
SuffixStructures30.00Suffix array construction (bsd3, data, data-structures, library, program)2015-05-070.0.1.0ChristianHoener
TernaryTrees430.01Efficient pure ternary tree Sets and Maps (bsd3, data-structures, library, program)2011-01-220.2.0.2AlexMason
TreeStructures30.01A collection of heaps and search trees (bsd3, data-structures, library)2010-03-150.0.2BrendanHickey
adjunctions3222.2558Adjunctions and representable functors (adjunctions, bsd3, data-structures, library)2022-08-154.4.2EdwardKmett, EricMertens, ryanglscott, AaronVargo
adp-multi80.02ADP for multiple context-free languages (algorithms, bioinformatics, bsd3, data-structures, library)2013-05-290.2.3MaikRiechert
adp-multi-monadiccp50.01Subword construction in adp-multi using monadiccp (algorithms, bioinformatics, bsd3, data-structures, library)2013-05-290.2.1MaikRiechert
algebraic-graphs2672.7520A library for algebraic graph construction and transformation (algebra, algorithms, data-structures, graphs, library, mit)2022-06-200.7snowleopard
appendmap440.03Map with a Semigroup and Monoid instances delegating to Semigroup of the elements (bsd3, data-structures, library)2018-09-020.1.5AlexeyKotlyarov
array852.251100Mutable and immutable arrays (bsd3, data-structures, library)2023-07-100.5.6.0AustinSeipp, BenGamari, HerbertValerioRiedel, IanLynagh, wz1000, July541
array-utils (deprecated)190.01Primitive functions for updating many elements in mutable arrays at once (bsd3, data, data-structures, deprecated, library)2011-01-290.3AlexMason
atomic-counter270.01Mutable counters that can be modified with atomic operatinos (apache, concurrency, data, data-structures, library)2023-06-210.1.2.1SergeyVinokurov
bag (deprecated in favor of dlist)40.01A simple stable bag. (data-structures, deprecated, library, mit)2011-07-220.1DanielWaterworth
barbies4242.2512Classes for working with types that can change clothes. (bsd3, data-structures, library)2024-01-132.1.1.0DanielGorin
barbies-layered180.00Barbies with layered clothes. (apache, data-structures, library)2021-07-150.1.0.0kakkun61
barbies-th750.02Create strippable HKD via TH (bsd3, data, data-structures, generics, library)2023-12-120.1.11FumiakiKinoshita
bcp47230.02Language tags as specified by BCP 47 (data, data-structures, library, mit)2022-03-300.2.0.6PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
bit-array60.01A bit array (aka bitset, bitmap, bit vector) API for numeric types (bit-vectors, data-structures, library, mit, pretty-printer)2016-10-010.1.2NikitaVolkov
bitset220.08A space-efficient set data structure. (data-structures, library, mit)2014-03-101.4.8DenisBueno, FedorGogolev, SergeiLebedev
bitwise590.06fast multi-dimensional unboxed bit packed Bool arrays (bit-vectors, bsd3, data, data-structures, library)2018-04-261.0.0.1ClaudeHeilandAllen
bitwise-enum310.00Bitwise operations on bounded enumerations (bsd3, data, data-structures, foreign, library)2023-07-301.0.1.2jnbooth
bk-tree220.02BK-tree implementation (data-structures, library, public-domain)2012-10-290.1.1FrancescoMazzoli
bktrees360.02A set data structure with approximate searching (bsd3, data-structures, library)2010-11-220.3.1JosefSvenningsson
bookkeeper130.01Anonymous records and overloaded labels (bsd3, data-structures, library, program, records)2017-12-170.2.5jkarni, bandali
bookkeeper-permissions30.01Permissions for bookkeeper records (bsd3, data-structures, library, records)2016-09-120.1.0.0pkamenarsky
boolexpr150.02Boolean expressions with various representations and search queries. (bsd3, data-structures, library, parsing, search)2023-03-130.2NicolasPouillard
btree-concurrent140.01A backend agnostic, concurrent BTree (data-structures, library)2012-10-310.1.5JohanBrinch
build142.01Build systems a la carte (algorithms, data-structures, library, mit)2018-07-061.0snowleopard
bytestring-to-vector480.07Convert between ByteString and Vector.Storable without copying (bsd3, data-structures, library)2019-02-080.3.0.1SvenHeyll
bytestring-trie662.523An efficient finite map from bytestrings to values. (bsd3, data, data-structures, library)2023-03-190.2.7.2WrenThornton, WrenRomano
circular530.01Circular fixed-sized mutable vectors (bsd3, data-structures, library, math)2022-07-100.4.0.3dschrempf
cmph30.01low level interface to CMPH (bsd3, data, data-structures, library)2016-04-300.0.1MarkWotton
collections50.01Useful standard collections types and related functions. (bsd3, data-structures, library)2011-07-300.3.1.1JeanPhilippeBernardy, JohannesWaldmann
collections-api20.06API for collection data structures. (bsd3, data-structures, library)2010-08-251.0.0.0JeanPhilippeBernardy
collections-base-instances20.02Useful standard collections types and related functions. (bsd3, data-structures, library)2010-08-251.0.0.0JeanPhilippeBernardy
comfort-array482.016Arrays where the index type is a function of the shape type (bsd3, data-structures, library)2024-01-130.5.4.2HenningThielemann
comfort-array-shape110.02Additional shape types for the comfort-array package (bsd3, data-structures, library)2021-08-050.0HenningThielemann
composite-tuple150.01Tuple functions for composite records. (composite, data-structures, library, mit)2020-09-180.1.2.0locallycompact
composite-xstep80.01ReaderT transformer pattern for higher kinded composite data. (data-structures, library, mit)2020-09-050.1.0.0locallycompact
container-classes (deprecated)220.01Generic classes for interacting with different container types (bsd3, data-structures, deprecated, library)2010-07-180.0.0.0IvanMiljenovic
containers4822.755310Assorted concrete container types (bsd3, data-structures, library)2023-09-270.7WrenThornton, dfeuer, WrenRomano, MattRenaud
containers-good-graph150.01Data.Graph, but it doesn't suck! (bsd3, data-structures, library)2021-06-030.6.4.1isovector
ctrie470.03Non-blocking concurrent map (concurrency, data-structures, library, mit)2017-09-290.2MichaelSchroeder
data-clist1720.07Simple functional ring type. (bsd3, data-structures, library)2022-02-250.2JohnVanEnk, jeremyjh
data-forest340.01A simple multi-way tree data structure (apache, data-structures, library)2023-06-260.1.0.12chris_martin, Monoid_Mary
data-functor-logistic260.01Updatable analogue of Distributive functors (bsd3, data-structures, library)2021-11-160.0FumiakiKinoshita
data-lens-ixset (deprecated in favor of data-store, tables, lens)70.01A Lens for IxSet (bsd3, comonads, control, data-structures, deprecated, library)2012-01-150.1.4DagOdenhall
data-r-tree240.02R-Tree is a spatial data structure similar to Quadtrees or B-Trees. (data-structures, library, mit)2020-01-220.6.0SebastianPhilipp
data-stringmap80.04An efficient implementation of maps from strings to arbitrary values (data-structures, library, mit)2014-02-271.0.1.1UweSchmidt, SebastianPhilipp
data-vector-growable260.00Dynamic growable resizable mutable generic vector (bsd3, data, data-structures, library)2020-12-240.0.1FumiakiKinoshita
dawg150.09Directed acyclic word graphs (bsd3, data, data-structures, library)2013-07-220.11JakubWaszczuk
dawg-ord392.01Directed acyclic word graphs (bsd3, data, data-structures, library)2020-09-240.5.1.2JakubWaszczuk
day-comonoid30.00A comonoid w.r.t. Day (bsd3, comonads, data-structures, functors, library)2023-10-150.1viercc
decision-diagrams120.00Binary Decision Diagrams (BDD) and Zero-suppressed Binary Decision Diagrams (ZDD) (bsd3, data, data-structures, library, logic)2021-11-250.2.0.0MasahiroSakai
depq372.01Double-ended priority queues (bsd3, data, data-mining, data-structures, library)2021-04-120.4.2ocramz
dequeue180.06A typeclass and an implementation for double-ended queues. (bsd3, data-structures, library)2015-09-030.1.12HenryBucklow
diffarray190.02DiffArray (bsd3, data-structures, library)2013-06-110.1.1AndreasAbel, IanLynagh
disjoint-sets-st250.01Imperative ST/IO based disjoint set data structure. (bsd3, data-structures, library)2013-05-290.1PetrPudlak
distributive3502.084Distributive functors -- Dual to Traversable (bsd3, data-structures, library)2020-12-300.6.2.1EdwardKmett, EricMertens, ryanglscott
dph-base70.011Data Parallel Haskell common config and debugging functions. (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-examples240.01Data Parallel Haskell example programs. (bsd3, data-structures, program)2012-10-250.7.0.5BenLippmeier
dph-lifted-base60.02Data Parallel Haskell common definitions used by other dph-lifted packages. (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-lifted-copy60.01Data Parallel Haskell lifted array combinators. (deprecated version) (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-lifted-vseg90.01Data Parallel Haskell lifted array combinators. (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-par440.02(deprecated) (bsd3, data-structures, library)2012-10-250.5.1.99BenLippmeier
dph-prim-interface70.03Data Parallel Haskell segmented arrays. (abstract interface) (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-prim-par70.08Data Parallel Haskell segmented arrays. (production version) (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-prim-seq80.04Data Parallel Haskell segmented arrays. (sequential implementation) (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-seq240.02(deprecated) (bsd3, data-structures, library)2012-10-250.5.1.99BenLippmeier
edit-distance-vector460.03Calculate edit distances and edit scripts between vectors. (algorithms, bsd3, data, data-structures, library)2016-05-241.0.0.4ThomasSutton
enummapmap90.01Map of maps using Enum types as keys (bsd3, data, data-structures, library)2014-02-010.7.0MatthewWest
enummaps292.00Enum wrappers for IntMap and IntSet (bsd3, data-structures, library)2020-06-230.6.2.1.7leif
enummapset2392.018IntMap and IntSet with Enum keys/elements. (bsd3, data-structures, library)2023-11-170.7.2.0MichalTerepeta, MikolajKonarski
ethereum-client-haskell60.01A Haskell version of an Ethereum client (bsd3, data-structures, program)2015-01-020.0.4jamshid
ethereum-merkle-patricia-db (deprecated in favor of merkle-patricia-db)40.01A modified Merkle Patricia DB (bsd3, data-structures, deprecated, library)2015-01-020.0.1jamshid
ethereum-rlp50.03Ethereum Recursive Length Prefix Encoding (apache, data-structures, library)2017-08-310.1.0jamshid
exposed-containers30.01A distribution of the 'containers' package, with all modules exposed. (bsd3, data-structures, library)2014-07-150.5.5.1vi
extended-containers270.01Heap and Vector container types (bsd3, data-structures, library)2021-04-220.1.1.0konsumlamm
extended-containers-lens210.00lens instances for extended-containers (bsd3, data-structures, lenses, library)2020-04-290.1.0.0konsumlamm
fgl2772.75113Martin Erwig's Functional Graph Library (bsd3, data-structures, graphs, library)2023-10-185.8.2.0IvanMiljenovic, MartinErwig, TroelsHenriksen
fgl-extras-decompositions40.02Graph decomposition algorithms (bsd3, data-structures, graphs, library)2015-05-070.1.1.0ChristianHoener
fingertree2082.059Generic finger-tree structure, with example instances (bsd3, data-structures, library)2022-01-290.1.5.0RossPaterson
fingertree-psqueue50.01Implementation of priority search queues as finger trees. (bsd3, data-structures, library)2011-09-280.3CaleGibbard
fingertree-tf40.01Generic finger-tree structure using type families. (bsd3, data, data-structures, library)2014-10-050.1.0.0pawel834
flux-monoid30.01A monoid for tracking changes (bsd3, data-structures, library)2018-06-240.1.0.0ChrisPenner
function-builder190.01Create poly variadic functions for monoidal results (bsd3, data-structures, library)2019-02-060.3.0.1SvenHeyll
functor-friends40.01Friendly helpers for your recursion schemes. (bsd3, data-structures, library)2017-10-080.1.0.0mnoonan
generic-tree (deprecated in favor of hs-functors)70.01Generic Tree data type (data-structures, deprecated, library)2011-12-2115329.2
gmap30.01Composable maps and generic tries. (bsd3, data-structures, library)2008-12-150.1JamieBrandon
graph-matchings42.01An implementation of algorithms for matchings in graphs (data-structures, graphs, lgpl, library)2014-11-270.1.0.0eberlm
graph-utils90.01A simple wrapper & quasi quoter for fgl. (bsd3, data, data-structures, graphs, library)2010-06-290.3.7HiromiIshii
graph-wrapper570.03A wrapper around the standard Data.Graph with a less awkward interface (bsd3, data-structures, graphs, library)2019-01-250.2.6.0MaxBolingbroke, SoenkeHahn
graphite570.02Graphs and networks library (bsd3, data-structures, graphs, library)2019-06-080.10.0.1alx741, DanielCampoverde
graphs350.01A simple monadic graph library (algorithms, bsd3, data-structures, graphs, library)2022-05-070.7.2EdwardKmett, ryanglscott
grids280.00 (bsd3, data-structures, library)2019-03-100.5.0.1ChrisPenner
gtk-largeTreeStore260.02Large TreeStore support for gtk2hs (data-structures, graphics, lgpl, library)2014-10-110.0.1.0rakatan
hCM240.00Conceptual modelling support for Haskell (data-structures, development, library, mit, model, program)2017-05-080.1.0.0MarekSuchanek
haggle250.00A graph library offering mutable, immutable, and inductive graphs (bsd3, data-structures, graphs, library)2023-08-210.3TristanRavitch
hamtmap30.01A purely functional and persistent hash map (bsd3, data-structures, library)2011-01-200.3KevinWuWon
hashmap-throw80.00Throw behaviour for hashmap lookup. (data-structures, library, mit)2020-08-280.1.0.0locallycompact
hashtables-plus (deprecated)50.01Extensions for a "hashtables" library (data, data-structures, deprecated, library, mit)2014-04-290.2.0NikitaVolkov
heap700.012Heaps in Haskell (bsd3, data-structures, library)2018-04-111.0.4StephanFriedrichs, eberlm
heaps1872.020Asymptotically optimal Brodal/Okasaki heaps. (bsd3, data-structures, library)2021-02-170.4EdwardKmett, EricMertens, ryanglscott
hetero-map200.01Pure heterogeneous maps. (bsd3, data, data-structures, library)2009-01-120.21LukePalmer
hgal350.02library for computation automorphism group and canonical labelling of a graph (algorithms, data-structures, library)2023-05-122.0.0.3JeanPhilippeBernardy, marcellus
hkd250.01"higher-kinded data" (data-structures, library)2023-10-150.2.1EdwardKmett, phadej
hobbits280.01A library for canonically representing terms with binding (bsd3, data-structures, library)2020-12-021.3.1EddyWestbrook
hw-balancedparens470.010Balanced parentheses (bit, bsd3, data, data-structures, library, program, succinct-data-structures)2022-12-050.4.1.3newhoggy, haskellworks, GeorgeWilson
hw-dsv340.03Unbelievably fast streaming DSV file parser (bsd3, csv, data-structures, library, program, simd, succinct-data-structures, text)2024-01-100.4.1.2newhoggy, haskellworks, GeorgeWilson
hw-eliasfano250.02Elias-Fano (bsd3, data, data-structures, library, program, succinct-data-structures)2022-03-250.1.2.1newhoggy, haskellworks
hw-excess450.03Excess (bsd3, data, data-structures, library, succinct-data-structures)2020-04-140.2.3.0newhoggy, haskellworks
hw-fingertree1720.05Generic finger-tree structure, with example instances (bsd3, data-structures, library)2022-03-210.1.2.1newhoggy, haskellworks
hw-fingertree-strict350.02Generic strict finger-tree structure (bsd3, data-structures, library)2022-03-250.1.2.1newhoggy, haskellworks
hw-json-lens90.02Lens for hw-json (bsd3, data, data-structures, json, library, succinct-data-structures)2020-04-140.2.1.0newhoggy, haskellworks
hw-rankselect682.014Rank-select (bit, bsd3, data, data-structures, library, program, succinct-data-structures)2022-03-230.13.4.1newhoggy, haskellworks, GeorgeWilson
hw-rankselect-base510.015Rank-select base (bit, bsd3, data, data-structures, library, succinct-data-structures)2020-06-090.3.4.1newhoggy, haskellworks, GeorgeWilson
hw-xml482.01XML parser based on succinct data structures. (bsd3, data, data-structures, library, program, succinct-data-structures, xml)2024-01-100.5.1.2newhoggy, haskellworks
igraph52.01Bindings to the igraph C library. (bsd3, data-structures, graphs, library)2013-01-150.1.1NilsSchweinsberg
impure-containers400.01Mutable containers in Haskell. (bsd3, data-structures, library)2020-02-140.5.1andrewthad, chessai
indexed-containers170.00Simple, no-frills indexed lists. (bsd3, data-structures, library)2020-03-020.1.0.2zliu41
int-like60.01Newtype wrappers over IntSet and IntMap (bsd3, data-structures, library)2023-11-250.1.2ejconlon
intern872.017Efficient hash-consing for arbitrary data types (bsd3, data, data-structures, library)2023-08-080.9.5EdwardKmett, ryanglscott
interval40.01Intervals with adherences. (data-structures, gpl, library)2016-08-211.20160821julm
interval-patterns110.00Intervals, and monoids thereof (algebra, bsd3, charts, data-structures, library, math, statistics)2023-10-100.7.2melaniebrown
interval-tree-clock102.00Interval Tree Clocks (data, data-structures, distributed-computing, library, mit)2022-07-130.2.0.0arnemileswinter
intset-imperative260.01An imperative integer set written in Haskell. (bsd3, data-structures, library)2018-08-030.1.0.0hverr
iterable240.02API for hierarchical multilevel collections. (bsd3, data-structures, library)2014-05-193.0MichalGajda
ixset360.016Efficient relational queries on Haskell sets. (bsd3, data-structures, library)2022-04-221.1.1.2DavidFox, JeremyShaw
ixset-typed800.012Efficient relational queries on Haskell sets. (bsd3, data-structures, library)2022-05-100.5.1.0AndresLoeh
ixset-typed-binary-instance70.01Binary instance for ixset-typed. (data-structures, library, mit)2020-08-280.1.0.2locallycompact
ixset-typed-conversions160.01Conversions from ixset-typed to other containers. (data-structures, library, mit)2020-09-140.1.2.0locallycompact
ixset-typed-hashable-instance110.01Hashable instance for ixset-typed. (data-structures, library, mit)2020-08-280.1.0.2locallycompact
javelin250.00Labeled one-dimensional arrays (data, data-science, data-structures, library, mit, program)2024-02-140.1.1.0LaurentRDC
javelin-io120.00IO operations for the `javelin` package (data, data-science, data-structures, library, mit)2024-02-240.1.1.0LaurentRDC
justified-containers272.01Keyed container types with type-checked proofs of key presence. (bsd2, data-structures, library)2018-02-110.3.0.0mnoonan
kan-extensions4032.2543Kan extensions, Kan lifts, the Yoneda lemma, and (co)density (co)monads (bsd3, comonads, data-structures, functors, library, monads)2022-06-265.2.5EdwardKmett, EricMertens, ryanglscott
keys1782.026Keyed functors and containers (bsd3, containers, data-structures, library)2020-01-293.12.3EdwardKmett, EricMertens, ryanglscott
knead150.02Repa-like array processing using LLVM JIT (bsd3, data-structures, library)2023-09-301.0.1HenningThielemann
knit320.00Ties the knot on data structures that reference each other by unique keys. (bsd3, data-structures, library)2021-06-250.3.0.0pkamenarsky
labeled-graph30.01Labeled graph structure (bsd3, data-structures, library)2012-11-051.0.0.0JeanPhilippeBernardy
labeled-tree140.05Labeled tree structure (bsd3, data-structures, library)2010-08-041.0.0.0JeanPhilippeBernardy
lca452.01O(log n) persistent online lowest common ancestor search without preprocessing (algorithms, bsd3, data-structures, library)2021-02-170.4EdwardKmett, ryanglscott
libgraph360.03Store and manipulate data in a graph. (algorithms, bsd3, data-structures, library)2017-09-031.14faddegon
linked-list-with-iterator42.01A pure linked list which is mutable through iterators. (bsd3, data-structures, library)2016-09-290.1.1.0CindyLinz
list-t3362.040ListT done right (control, data-structures, library, mit, streaming)2023-10-111.0.5.7NikitaVolkov
list-tries260.010Tries and Patricia tries: finite sets and maps for list keys (bsd3, data, data-structures, library)2020-05-120.6.7MattiNiemenmaa, arybczak
listlike-instances (deprecated in favor of ListLike)100.06Extra instances of the ListLike class (bsd3, data-structures, deprecated, generics, library)2012-11-130.2.3.1JohnLato
loc422.01Line and column positions and ranges in text files (apache, data-structures, library, text)2023-06-260.2.0.0chris_martin, Monoid_Mary
localization340.01Library for localization (l10n) (data-structures, gpl, library)2018-02-271.0.1.20180226julm
magma230.01magma is an algebraic structure. (algebra, bsd3, data, data-structures, library, math)2023-04-190.6.1.1KatsutoshiItoh
map-exts82.01Extensions to Data.Map (bsd3, data-structures, library, program)2018-01-100.2.0.0coopercm
map-syntax432.015Syntax sugar for defining maps (bsd3, data-structures, library)2018-04-030.3DougBeardsley
mappings150.00Types which represent functions k -> v (bsd3, data-structures, library, program)2023-12-090.3.0.0jcranch
massiv1252.512Massiv (Массив) is an Array Library. (array, bsd3, data, data-structures, library, parallelism)2023-05-111.0.4.0lehins
massiv-io452.01Import/export of Image files into massiv Arrays (bsd3, data, data-structures, library)2021-10-231.0.0.1lehins
massiv-persist130.00Compatibility of 'massiv' with 'persist' (array, bsd3, data-structures, library, serialization)2022-07-051.0.0.3lehins
massiv-serialise172.00Compatibility of 'massiv' with 'serialise' (array, bsd3, data-structures, library, serialization)2021-11-251.0.0.2lehins
massiv-test500.00Library that contains generators, properties and tests for Massiv Array Library. (bsd3, data, data-structures, library, parallelism)2021-08-011.0.0.0lehins
megastore40.00Bulk image or strict bytestring storage (bsd3, data, data-structures, image, library, program)2023-02-270.1.1.1MilesLitteral
meldable-heap280.01Asymptotically optimal, Coq-verified meldable heaps, AKA priority queues (bsd3, data-structures, library)2010-05-232.0.3JimApple
merkle-patricia-db40.01A modified Merkle Patricia DB (apache, data-structures, library)2017-09-010.1.0jamshid
min-max-pqueue270.00Double-ended priority queues. (bsd3, data-structures, library)2020-06-250.1.0.2zliu41
miso962.255A tasty Haskell front-end framework (bsd3, data-structures, library, miso, web)2022-09-091.8.3.0DavidJohnson
miso-examples100.00A tasty Haskell front-end framework (bsd3, data-structures, miso, web)2021-12-211.8.1.0DavidJohnson
monadic-arrays220.01Boxed and unboxed arrays for monad transformers (bsd3, data-structures, library)2016-01-170.2.2EdwardKmett
mono-traversable-keys230.01Type-classes for interacting with monomorphic containers with a key (bsd3, containers, data, data-structures, library)2023-05-050.3.0recursion_ninja
monoidmap610.00Monoidal map type (apache, data-structures, library, monoidal)2024-02-010.0.1.1JonathanKnowles
monus-weighted-search32.00Efficient search weighted by an ordered monoid with monus. (data-structures, library, mit)2021-08-290.1.0.0oisdk
more-containers440.01A few more collections (data-structures, library, mit)2021-04-050.2.2.2mtth
multi-containers400.00A few multimap variants. (bsd3, data-structures, library)2021-07-090.2zliu41
multimap290.013A multimap. (data-structures, library, mit)2013-06-011.2.1JulianFleischer
multiset1470.021The Data.MultiSet container type (bsd3, data-structures, library)2019-12-150.3.4.3TwanVanLaarhoven
naperian20.01Efficient representable functors (bsd3, data-structures, library)2017-08-210.1.0.0AaronVargo
nested-sequence40.01List-like data structures with O(log(n)) random access (bsd3, data, data-structures, library)2016-07-090.2BalazsKomuves
nested-sets190.02Nested set model implementation (data-structures, gpl, library)2014-10-110.0.1.1rakatan
nibblestring30.04Packed, strict nibble arrays with a list interface (ByteString for nibbles) (bsd3, data-structures, library)2015-01-020.0.3jamshid
nonempty-containers972.259Non-empty variants of containers data types, with full API (bsd3, data-structures, library)2023-12-070.3.4.5jle
nonempty-zipper360.01A non-empty comonadic list zipper (data, data-structures, library, mit)2022-03-311.0.0.4PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
nonemptymap100.01A NonEmptyMap Implementation (bsd3, data-structures, library)2018-11-100.0.6.0ChristopherDavenport
nspace50.00Efficient, infinite-precision 2D and 3D spatial containers. (bsd3, data-structures, library)2024-01-010.2.0.0isovector
nthable100.01 (bsd3, data-structures, library)2009-02-090.1GeorgePollard
overeasy50.00A purely functional E-Graph library (bsd3, data-structures, library)2022-10-040.2.0ejconlon
pangraph70.02A set of parsers for graph languages and conversions to graph libaries. (bsd3, data-structures, graphs, library, parser)2018-10-050.2.1thisiswhereitype
parameterized-utils1002.06Classes and data structures for working with data-kind indexed types (bsd3, data-structures, dependent-types, library)2024-01-152.1.8.0KevinQuick, RobertDockins, ryanglscott, galoisinc
partialord140.01Data structure supporting partial orders (bsd3, data-structures, library)2023-10-130.0.2jcranch
path-tree40.01`Data.Tree` for file paths (data-structures, library, mit)2022-04-030.2.0.0sridca
pedestrian-dag50.04A pedestrian implementation of directed acyclic graphs (bsd3, data, data-structures, library)2018-09-190.2.0JakubWaszczuk
perfect-hash-generator402.250Perfect minimal hashing implementation in native Haskell (apache, data-structures, embedded, library, program)2022-06-271.0.0kostmo
perfecthash30.01A perfect hashing library for mapping bytestrings to values. (bsd3, data, data-structures, library)2016-05-020.2.0MarkWotton
permutation200.05A library for permutations and combinations. (bsd3, data-structures, library, math)2015-01-200.5.0.5PatrickPerry, spacekitteh
pomaps150.01Maps and sets of partial orders (data-structures, library, mit)2021-02-070.2.0.1sgraf812
pqueue1960.015Reliable, persistent, fast priority queues. (bsd3, data-structures, library)2023-08-071.5.0.0LouisWasserman, lspitzner, dfeuer, konsumlamm
primitive-containers90.03containers backed by arrays (bsd3, data-structures, library)2023-07-050.5.1andrewthad
psqueues3272.2537Pure priority search queues (bsd3, data-structures, library)2023-10-270.2.8.0JasperVanDerJeugt
q4c12-twofinger70.01Efficient alternating finger trees (bsd2, data-structures, library)2018-01-170.2quasicomputational
quickset30.01Very fast and memory-compact query-only set and map structures (bsd3, data, data-structures, library)2012-11-140.1.0ErtugrulSoeylemez, esz
radix-tree110.01Radix tree data structive over short byte-strings (bsd3, data-structures, library)2018-08-260.1SergeyVinokurov
ralist220.02Random access list with a list compatible interface. (bsd3, data-structures, library)2021-10-080.4.0.0CarterSchonwald, LennartAugustsson
random-access-list40.01Random-access lists in Haskell (bsd3, data-structures, library)2008-06-160.2StephanFriedrichs
random-tree130.01Create random trees (data-structures, gpl, library)2016-02-090.6.0.5GregorySchwartz
randproc110.01Data structures and support functions for working with random processes (bsd3, data-structures, library)2011-07-030.4DavidBanas
rational-list40.00finite or repeating lists (bsd3, data-structures, library)2019-10-201.0.0.0RossPaterson
rbst40.00Randomized Binary Search Trees (data-structures, library, mit)2020-05-090.0.0.1ArnauAbella
record40.06Anonymous records (control, data-structures, library, mit, records)2016-10-240.4.2NikitaVolkov
reflection-without-remorse170.01Efficient free and operational monads. (bsd3, data, data-structures, library)2014-12-300.9.5AtzeVanDerPloeg
relacion30.01A relation data structure. (bsd3, data-structures, library)2010-11-150.1LeonelFonseca
relation210.02A data structure representing Relations on Sets. (bsd3, data-structures, library)2020-04-140.5.2.0newhoggy, haskellworks
repa1142.049High performance, regular, shape polymorphic parallel arrays. (bsd3, data-structures, library)2022-01-033.4.1.5BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale
repa-algorithms370.02Algorithms using the Repa array library. (bsd3, data-structures, library)2022-03-203.4.1.5BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale
repa-array130.02Bulk array representations and operators. (bsd3, data-structures, library)2016-06-184.2.3.1BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell
repa-bytestring120.03(deprecated) (bsd3, data-structures, library)2012-04-033.0.0.1BasVanDijk, BenLippmeier, TrevorMcDonell
repa-convert90.03Packing and unpacking flat tables. (bsd3, data-structures, library)2017-12-134.2.3.2BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell
repa-devil (deprecated in favor of friday)150.04Support for image reading and writing of Repa arrays using in-place FFI calls (bsd3, data-structures, deprecated, library)2015-04-130.3.2.6DonaldStewart, RaphaelJavaux, ThomasDuBuisson
repa-eval50.03Low-level parallel operators on bulk random-accessble arrays. (bsd3, data-structures, library)2016-06-184.2.3.1BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell
repa-examples270.01Examples using the Repa array library. (bsd3, data-structures, program)2018-10-033.4.1.2BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale
repa-fftw240.01Perform fft with repa via FFTW (bsd3, data-structures, library)2013-12-213.2.3.2AtsuroHoshino
repa-flow140.01Data-parallel data flows. (bsd3, data-structures, library)2016-06-184.2.3.1BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell
repa-io600.01Read and write Repa arrays in various formats. (bsd3, data-structures, library)2022-03-203.4.1.2BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale
repa-plugin30.01Data Flow Fusion GHC Plugin. (bsd3, data-structures, library)2013-07-261.0.0.1BasVanDijk, BenLippmeier
repa-scalar150.04Scalar data types and conversions. (bsd3, data-structures, library)2019-05-264.2.3.3BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale
repa-series30.01Series Expressionss API (bsd3, data-structures, library)2013-07-261.0.0.1BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell
repa-sndfile190.01Reading and writing sound files with repa arrays (bsd3, data-structures, library)2013-12-213.2.3.3AtsuroHoshino
repa-stream60.03Stream functions not present in the vector library. (bsd3, data-structures, library)2016-06-184.2.3.1BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell
representable-functors (deprecated in favor of adjunctions)450.010Representable functors (bsd3, data-structures, deprecated, functors, library, monads)2013-10-133.2.0.2EdwardKmett, EricMertens, ryanglscott, AaronVargo
representable-tries390.02Tries from representations of polynomial functors (bsd3, comonads, data-structures, functors, library, monads)2013-01-063.0.2EdwardKmett
rle230.00A data type of run-length-encoded lists (apache, data-structures, library)2021-09-170.1.0.1AndrewPritchard
rosezipper242.09Generic zipper implementation for Data.Tree (bsd3, data-structures, library)2010-06-060.2EricKow, IavorDiatchki
row-types1050.013Open Records and Variants (data, data-structures, library, mit)2021-09-101.0.1.2dwincort
row-types-aeson210.00aeson instances for Open Records and Variants (data, data-structures, library, mit)2022-07-101.1.0.0dwincort
row-types-barbies250.00barbies instances for Open Records and Variants (data, data-structures, library, mit)2021-09-261.0.0.0dwincort
rp-tree442.00Random projection trees (bsd3, data, data-mining, data-structures, library, machine-learning, program)2021-11-040.7.1ocramz
rrb-vector290.01Efficient RRB-Vectors (bsd3, data-structures, library)2023-12-020.2.1.0konsumlamm
rstream30.01stream-fusion framework from vector (bsd3, data, data-structures, library)2018-11-010.1.0.0chessai
sdp270.09Simple Data Processing (bsd3, data-structures, library)2021-12-100.2.1.1AndreyMulik
sdp-binary190.00Binary instances for SDP (bsd3, data-structures, library)2021-02-230.2AndreyMulik
sdp-deepseq200.00DeepSeq SDP extension. (bsd3, data-structures, library)2021-02-190.2AndreyMulik
sdp-hashable160.01Hashable instances for SDP (bsd3, data-structures, library)2021-02-190.2AndreyMulik
sdp-io150.02SDP IO extension (bsd3, data-structures, library)2021-02-240.2AndreyMulik
sdp-quickcheck350.00SDP QuickCheck support (bsd3, data-structures, library)2021-02-190.2AndreyMulik
sdp4bytestring150.00SDP wrapper for ByteString. (bsd3, data-structures, library)2021-02-240.2AndreyMulik
sdp4text230.00SDP wrapper for Text. (bsd3, data-structures, library)2021-02-240.2AndreyMulik
sdp4unordered130.00SDP classes for unordered containers (bsd3, data-structures, library)2021-02-230.2AndreyMulik
sdp4vector250.00SDP wrapper for Vector (bsd3, data-structures, library)2021-02-190.2AndreyMulik
selections210.01Combinators for operating with selections over an underlying functor (bsd3, data-structures, functors, library)2020-10-210.3.0.0ChrisPenner
semigroups4972.75905Anything that associates (algebra, bsd3, data, data-structures, library, math)2021-11-160.20EdwardKmett, EricMertens, HerbertValerioRiedel, ryanglscott
semigroups-actions30.01Semigroups actions (algebra, bsd3, data, data-structures, library, math)2012-12-200.1PetrPudlak
semilattices220.02Semilattices (algebra, bsd3, data, data-structures, library, math)2019-10-030.0.0.4robrix
semirings1642.018two monoids as one, in holy haskimony (algebra, bsd3, data, data-structures, library, math, mathematics, maths)2021-01-070.6chessai
sequence350.03A type class for sequences and various sequence data structures. (bsd3, data, data-structures, library)2021-08-150.9.9.0AtzeVanDerPloeg, dfeuer
signed-multiset80.01Multisets with negative membership. (bsd3, data-structures, library)2023-01-130.5StefanHoldermans, rieckenj
sirkel20.01Sirkel, a Chord DHT (bsd3, concurrency, concurrent, data-structures, database, distributed-computing, library)2011-09-160.1MortenLysgaard
slist1252.251Sized list (data-structures, library, list, mpl)2022-11-030.2.1.0vrom911
sparse-merkle-trees30.00Sparse Merkle trees with proofs of inclusion and exclusion (bsd3, cryptography, data-structures, library)2022-05-260.2.0.0tochicool
sparsebit50.01Sparse bitmaps for pattern match coverage (bsd3, data-structures, development, library)2009-03-100.5KiYungAhn
splay72.01Generic splay-based sequence representation (bsd3, data-structures, library)2015-07-120.0.6dramforever
spool270.07Convert between ByteString and Vector.Storable without copying (bsd3, data-structures, library)2011-09-150.1KeeganMcAllister
srtree140.01A general framework to work with Symbolic Regression expression trees. (bsd3, data, data-structures, library, math)2023-06-251.0.0.5olivetti
stable-heap20.01Purely functional stable heaps (fair priority queues) (data-structures, library, mit)2023-08-130.2.1.0JakeMcArthur
statethread50.02The ST monad and STRefs (bsd3, data-structures, library, monads)2012-04-070.1.1HenningThielemann
static-hash400.02Immutable hash (bsd3, data-structures, library)2022-08-220.0.2KazuYamamoto
stm-containers2402.031Containers for STM (concurrency, data-structures, library, mit, stm)2023-10-171.2.0.3NikitaVolkov
stm-hamt2440.01STM-specialised Hash Array Mapped Trie (concurrency, data-structures, library, mit, stm)2023-10-171.2.0.14NikitaVolkov
strict-containers452.02Strict containers. (bsd3, data, data-structures, library)2022-12-120.2infinity0
strict-containers-lens180.00Strict containers - Lens instances (bsd3, data, data-structures, lenses, library)2022-12-120.2infinity0
strict-containers-serialise220.00Strict containers - Serialise instances (bsd3, codec, data, data-structures, library)2022-12-120.2infinity0
subwordgraph60.01Subword graph implementation (bsd3, data-structures, library)2016-06-071.0.2adambak
subzero330.01Helps when going "seed values" -> alternatives and optional -> answers (data-structures, gpl, library)2017-12-100.1.0.8codeshot
suffix-array30.00Simple and moderately efficient suffix array implementation (bsd3, data-structures, library, program)2017-01-110.3.0.0kadoban
suffixtree250.03Efficient, lazy suffix tree implementation (bsd3, data, data-structures, library)2011-10-170.2.2.1BryanOSullivan
swapper30.01Transparently swapping data from in-memory structures to disk (bsd3, data-structures, library)2011-08-290.1RomanSmrz
symantic-base350.02Basic symantic combinators for Embedded Domain-Specific Languages (EDSL) (agpl, data-structures, library)2023-01-250.5.0.20221211julm
symbolize120.00Efficient global Symbol table, with Garbage Collection. (bsd3, data, data-structures, library)2023-11-250.1.0.3qqwy
tangle230.00Heterogenous memoisation monad (bsd3, data-structures, library, monad, program)2021-11-080.1FumiakiKinoshita
text-compression292.00A text compression library. (bsd3, data-structures, library)2022-12-090.1.0.25DavidFox, MatthewMosior
text-containers30.00Memory-efficient string-indexed container types. (data, data-structures, gpl, library)2017-10-130.1.0.0HerbertValerioRiedel
text-trie30.01An efficient finite map from Text to values, based on bytestring-trie. (bsd3, data, data-structures, library)2019-04-110.2.5.0lambdamichael
thrist300.02Type-threaded list (bsd3, categories, data-structures, library)2018-11-150.4GaborGreif
tie-knot40.01"Ties the knot" on a given set of structures that reference each other by keys. (data-structures, library, recursion)2012-12-070.2PetrPudlak
total-maps230.01Dense and sparse total maps. (containers, data, data-structures, library, mit)2015-11-191.0.0.3pawel834
translatable-intset20.01Integer sets with a constant time translate operation. (data-structures, library, mit)2011-02-040.1JannisHarder
treap30.00Efficient implementation of the implicit treap data structure (data-structures, library, mpl, tree)2019-04-290.0.0.0vrom911
treemap60.01A tree of Data.Map. (data-structures, gpl, library)2018-02-142.4.0.20180213julm
treeseq80.03Library for a multi-way tree (rose tree), using Seq (finger tree) for forests (data-structures, gpl, library)2018-02-141.0.0.20180213julm
trial870.03Trial Data Structure (data, data-structures, library, mpl)2020-06-210.0.0.0tomjaguarpaw, vrom911
trial-tomland940.01Trial helper functions for tomland (data, data-structures, library, mpl)2020-06-210.0.0.0tomjaguarpaw, vrom911
trie-simple410.01Simple Map-based Trie (bsd3, data-structures, library)2023-06-080.4.2viercc
tst270.02BK-tree implementation (data-structures, library, public-domain)2012-10-290.1.1FrancescoMazzoli
type-aligned240.06Various type-aligned sequence data structures. (bsd3, data, data-structures, library)2014-12-300.9.6AtzeVanDerPloeg, dfeuer
type-indexed-queues60.01Queues with verified and unverified versions. (data-structures, library, mit)2017-04-270.2.0.0oisdk
type-level-bst50.01type-level binary search trees in haskell (bsd3, data-structures, dependent-types, library)2014-10-280.1Kinokkory
type-level-sets422.05Type-level sets and finite maps (with value-level counterparts) (bsd3, data-structures, library, type-system)2018-11-290.8.9.0DominicOrchard
typerep-map842.55Efficient implementation of a dependent map with types as keys (data, data-structures, library, mpl, types)2022-11-020.6.0.0vrom911
unboxing-vector260.03A newtype-friendly variant of unboxed vectors (bsd3, data, data-structures, library)2020-09-270.2.0.0aratamizuki
unordered-graphs70.01Graph library using unordered-containers (data-structures, graphs, library, mit)2016-07-190.1.0.1IvanMiljenovic
vary142.00Vary: Friendly and fast polymorphic variants (open unions/coproducts/extensible sums) (data, data-structures, error-handling, library, mit)2024-01-140.1.0.3qqwy
vector5972.752009Efficient Arrays (bsd3, data, data-structures, library)2023-10-070.13.1.0AlexeyKhudyakov, lehins, Bodigrim, topos
vector-clock90.01Vector clocks for versioning message flows (data, data-structures, distributed-computing, gpl, library)2013-06-230.2.2AlexandruScvortov, hansonkd
vector-endian30.00Storable vectors with cpu-independent representation. (data, data-structures, library, mit)2019-04-220.1.0.0isd
vector-functorlazy30.01vectors that perform the fmap operation in constant time (bsd3, data, data-structures, library)2013-07-050.0.1MikeIzbicki
vector-heterogenous90.02A type-safe library for vectors whose elements can be of any type, or any type satisfying some constraints (bsd3, data, data-structures, library)2014-10-170.2.0MikeIzbicki
vector-instances1492.020Orphan Instances for 'Data.Vector' (bsd3, data, data-structures, library)2023-04-173.4.2EdwardKmett, ryanglscott
vector-mmap210.01Memory map immutable and mutable vectors (bsd3, data, data-structures, library)2017-06-300.0.3DanielPeebles, fho
vector-read-instances (deprecated in favor of vector)50.03(deprecated) Read instances for 'Data.Vector' (bsd3, data, data-structures, deprecated, library)2011-08-290.0.2.0ChristianHoener
vector-rotcev330.00Vectors with O(1) reverse (bsd3, data, data-structures, library)2023-01-140.1.0.2Bodigrim
vector-split370.02Combinator library for splitting vectors. (data, data-structures, library, mit)2023-01-171.0.0.3fho
vector-static (deprecated)120.01Statically checked sizes on Data.Vector (bsd3, data, data-structures, deprecated, library)2010-11-110.3.0.1DanielPeebles, JakeMcArthur
vector-stream3660.03Efficient Streams (bsd3, data, data-structures, library)2024-01-060.1.0.1AlexeyKhudyakov, lehins, Bodigrim
void2482.25133A Haskell 98 logically uninhabited data type (bsd3, data-structures, library)2019-05-100.7.3EdwardKmett, phadej, ryanglscott
vp-tree170.00Vantage Point Trees (bsd3, data, data-mining, data-structures, library, machine-learning)2021-04-300.1.0.1ocramz
yarr220.02Yet another array library (data-flow, data-structures, graphics, library, mit)2016-06-061.4.0.2DominicSteinitz, RomanLeventov