| packages/nixpkgs/haskellPackages.exinst-deepseq | Derive instances for the `deepseq` library for your existential types |
| packages/nixpkgs/haskellPackages.free-vector-spaces | Instantiate the classes from the vector-space package with types from linear |
| packages/nixpkgs/haskellPackages.hmatrix-static | hmatrix with vector and matrix sizes encoded in types |
| packages/nixpkgs/haskellPackages.servant-reason | Derive Reason types to interact with a Haskell backend |
| packages/nixpkgs/haskellPackages.refined-http-api-data | http-api-data instances for refined types |
| packages/nixpkgs/haskellPackages.parsec-numeric | Parsec combinators for parsing Haskell numeric types |
| packages/nixpkgs/haskellPackages.FixedPoint-simple | Fixed point, large word, and large int numerical representations (types and common class instances) |
| packages/nixpkgs/haskellPackages.barecheck | QuickCheck implementations for common types |
| packages/nixpkgs/haskellPackages.generics-sop-lens | Lenses for types in generics-sop |
| packages/nixpkgs/haskellPackages.data-default-class | A class for types with a default value (compatibility shim) |
| packages/nixpkgs/haskellPackages.free-alacarte | Free monads based on intuitions from the Data types à la Carte |
| packages/nixpkgs/haskellPackages.data-default_0_8_0_1 | A class for types with a default value |
| packages/nixpkgs/haskellPackages.idiomatic | Deriving Applicative for sum types. |
| packages/nixpkgs/haskellPackages.adaptive-tuple | Self-optimizing tuple types |
| packages/nixpkgs/haskellPackages.foldable1 | Foldable types with at least 1 element |
| packages/nixpkgs/haskellPackages.compstrat | Strategy combinators for compositional data types |
| packages/nixpkgs/haskellPackages.greskell-core | Haskell binding for Gremlin graph query language - core data types and tools |
| packages/nixpkgs/haskellPackages.compdata-param | Parametric Compositional Data Types |
| packages/nixpkgs/haskellPackages.temporal-media | data types for temporal media |
| packages/nixpkgs/texlivePackages.arraycols | New column types for array and tabular environments |
| packages/nixpkgs/haskellPackages.monadology_0_4 | The best ideas in monad-related classes and types |
| packages/nixpkgs/haskellPackages.data-default-class_0_2_0_0 | A class for types with a default value (compatibility shim) |
| packages/nixpkgs/haskellPackages.colonnade | Generic types and functions for columnar encoding and decoding |
| packages/nixpkgs/haskellPackages.ihaskell-basic | IHaskell display instances for basic types |
| packages/nixpkgs/haskellPackages.ihaskell-hvega | IHaskell display instance for hvega types |
| packages/nixpkgs/haskellPackages.arbor-postgres | Convenience types and functions for postgresql-simple |
| packages/nixpkgs/haskellPackages.hgeometry | Geometric Algorithms, Data structures, and Data types |
| packages/nixpkgs/haskellPackages.comptrans | Automatically converting ASTs into compositional data types |
| packages/nixpkgs/haskellPackages.pandoc-lua-marshal | Use pandoc types in Lua |
| packages/nixpkgs/perl538Packages.ClassMakeMethods | Generate common types of methods |
| packages/nixpkgs/perl540Packages.ClassMakeMethods | Generate common types of methods |
| packages/nixpkgs/perl538Packages.GooCanvas2CairoTypes | Bridge between GooCanvas2 and Cairo types |
| packages/nixpkgs/perl540Packages.GooCanvas2CairoTypes | Bridge between GooCanvas2 and Cairo types |
| packages/nixpkgs/haskellPackages.iterm-show-JuicyPixels | Orphan Show instances for JuciyPixels image types |
| packages/nixpkgs/haskellPackages.fixed-vector-hetero | Library for working with product types generically |
| packages/nixpkgs/haskellPackages.ihaskell-blaze | IHaskell display instances for blaze-html types |
| packages/nixpkgs/haskellPackages.nri-test-encoding | A library to simplify writing golden tests for encoding types |
| packages/nixpkgs/haskellPackages.purebred-email | types and parser for email messages (including MIME) |
| packages/nixpkgs/perlPackages.SpecioLibraryPathTiny | Path::Tiny types and coercions for Specio |
| packages/nixpkgs/haskellPackages.database-id-class | Class for types with a database id |
| packages/nixpkgs/haskellPackages.vector-space-opengl | Instances of vector-space classes for OpenGL types |
| packages/nixpkgs/haskellPackages.yesod-newsfeed | Helper functions and data types for producing News feeds |
| packages/nixpkgs/haskellPackages.lua-arbitrary | Arbitrary instances for Lua types |
| packages/nixpkgs/haskellPackages.language-mixal | Parser, pretty-printer, and AST types for the MIXAL assembly language |
| packages/nixpkgs/haskellPackages.comfort-array-shape | Additional shape types for the comfort-array package |
| packages/nixpkgs/haskellPackages.linear-base_0_6_0 | Standard library for linear types |
| packages/nixpkgs/haskellPackages.haskell-reflect | Reflect Haskell types |
| packages/nixpkgs/perl5Packages.SpecioLibraryPathTiny | Path::Tiny types and coercions for Specio |
| packages/nixpkgs/haskellPackages.floatshow | Alternative faster String representations for Double and Float, String representations for more general numeric types |
| packages/nixpkgs/haskellPackages.hercules-ci-api-core | Types and convenience modules use across Hercules CI API packages |
| packages/nixpkgs/haskellPackages.anonymous-sums | Anonymous sum types |
| packages/nixpkgs/haskellPackages.hashabler | Principled, portable & extensible hashing of data and types, including an implementation of the FNV-1a and SipHash algorithms |
| packages/nixpkgs/haskellPackages.haskell-postgis | A haskell library for PostGIS geometry types |
| packages/nixpkgs/haskellPackages.simpleirc-lens | Lenses for simpleirc types |
| packages/nixpkgs/haskellPackages.strict-mutable-base | Strict variants of mutable data types from base |
| packages/nixpkgs/haskellPackages.servant-flatten | Utilities for flattening servant API types |
| packages/nixpkgs/haskellPackages.stripe-concepts | Types for the Stripe API |
| packages/nixpkgs/haskellPackages.text-builder-linear | Builder for Text and ByteString based on linear types |
| packages/nixpkgs/haskellPackages.finitary-optics | Prisms and Isos between finitary types |
| packages/nixpkgs/haskellPackages.simple-sessions | A simple implementation of session types |
| packages/nixpkgs/haskellPackages.primitive-simd | SIMD data types and functions |
| packages/nixpkgs/haskellPackages.hashable_1_5_0_0 | A class for types that can be converted to a hash value |
| packages/nixpkgs/haskellPackages.ihaskell-charts | IHaskell display instances for charts types |
| packages/nixpkgs/haskellPackages.shorten-strings | Shorten a variety of string-like types adding ellipsis |
| packages/nixpkgs/haskellPackages.semantic-source | Types and functionality for working with source code |
| packages/nixpkgs/haskellPackages.data-standards | A collection of standards representable by simple data types |
| packages/nixpkgs/haskellPackages.exinst-hashable | Derive instances for the `hashable` library for your existential types |
| packages/nixpkgs/haskellPackages.hmatrix-vector-sized | Conversions between hmatrix and vector-sized types |
| packages/nixpkgs/haskellPackages.link-relations | Use web link relation types (RFC 5988) in Haskell |
| packages/nixpkgs/haskellPackages.network-packet-linux | Types for working with Linux packet sockets |
| packages/nixpkgs/haskellPackages.tagged-identity | Trivial monad transformer that allows identical monad stacks to have different types |
| packages/nixpkgs/perlPackages.MooseXParamsValidate | Extension of Params::Validate using Moose's types |
| packages/nixpkgs/haskellPackages.coercible-utils | Utility functions for Coercible types |
| packages/nixpkgs/haskellPackages.th-lift-instances | Lift instances for template-haskell for common data types |
| packages/nixpkgs/haskellPackages.servant-fiat-content | Fiat content types |
| packages/nixpkgs/haskellPackages.serialise-uuid | Encode and decode UUID values in CBOR using uuid-types, cborg and serialise |
| packages/nixpkgs/haskellPackages.generic-data-surgery | Surgery for generic data types |
| packages/nixpkgs/haskellPackages.aeson-serialize | Simple serialization functions for aeson types |
| packages/nixpkgs/haskellPackages.singletons | Basic singleton types and definitions |
| packages/nixpkgs/haskellPackages.structured | Structure (hash) of your data types |
| packages/nixpkgs/haskellPackages.webmention | Types and functions for working with Webmentions |
| packages/nixpkgs/haskellPackages.character-cases | Exposes subspecies types of Char |
| packages/nixpkgs/haskellPackages.conversion | Universal converter between values of different types |
| packages/nixpkgs/haskellPackages.gloss-rendering | Gloss picture data types and rendering functions |
| packages/nixpkgs/haskellPackages.strongweak | Convert between strong and weak representations of types |
| packages/nixpkgs/haskellPackages.validators | Composable validations for your Haskell data types |
| packages/nixpkgs/haskellPackages.statistics | A library of statistical types, data, and functions |
| packages/nixpkgs/haskellPackages.stringlike | Transformations to several string-like types |
| packages/nixpkgs/perl5Packages.MooseXParamsValidate | Extension of Params::Validate using Moose's types |
| packages/nixpkgs/haskellPackages.leanpub-concepts | Types for the Leanpub API |
| packages/nixpkgs/haskellPackages.hasql-implicits | Implicit definitions for Hasql, such as default codecs for standard types |
| packages/nixpkgs/haskellPackages.enummapmap | Map of maps using Enum types as keys |
| packages/nixpkgs/haskellPackages.monadology | The best ideas in monad-related classes and types |
| packages/nixpkgs/texlivePackages.graphpaper | A LaTeX class to generate several types of graph papers |
| packages/nixpkgs/haskellPackages.canteven-listen-http | data types to describe HTTP services |
| packages/nixpkgs/haskellPackages.iso8601-duration | Types and parser for ISO8601 durations |
| packages/nixpkgs/haskellPackages.extensible | Extensible, efficient, optics-friendly data types and effects |
| packages/nixpkgs/haskellPackages.ghc-stack-profiler-core | Thread sample types and serialisation logic for `ghc-stack-profiler` |
| packages/nixpkgs/haskellPackages.language-nix-unstable | Data types and functions to represent the Nix language |
| packages/nixpkgs/haskellPackages.multiplate | Lightweight generic library for mutually recursive data types |