| packages/nixpkgs/haskellPackages.http-interchange | Types and serialization for HTTP |
| packages/nixpkgs/haskellPackages.template-haskell-optics | Optics for template-haskell types |
| packages/nixpkgs/ocamlPackages.accessor_async | Accessors for Async types, for use with the Accessor library |
| packages/nixpkgs/haskellPackages.versions_5_0_5 | Types and parsers for software version numbers |
| packages/nixpkgs/haskellPackages.text-conversions | Safe conversions between textual types |
| packages/nixpkgs/haskellPackages.generic-data-functions | Familiar functions lifted to generic data types |
| packages/nixpkgs/haskellPackages.postgresql-common | Library for sharing common PostgreSQL types across Haskell PostgreSQL libraries |
| packages/nixpkgs/perl5Packages.CatalystPluginConfigLoader | Load config files of various types |
| packages/nixpkgs/haskellPackages.free-operational | Operational Applicative, Alternative, Monad and MonadPlus from free types |
| packages/nixpkgs/haskellPackages.substrate-protocol | Plexus protocol types and client for Substrate |
| packages/nixpkgs/haskellPackages.LinguisticsTypes | Collection of types for natural language |
| packages/nixpkgs/haskellPackages.continued-fraction | Types and functions for working with continued fractions in Haskell |
| packages/nixpkgs/haskellPackages.persistent-iproute | Persistent instances for types in iproute |
| packages/nixpkgs/haskellPackages.hschema-quickcheck | Describe schemas for your Haskell data types |
| packages/nixpkgs/ocamlPackages_latest.janeStreet.higher_kinded | Library with an encoding of higher kinded types in OCaml |
| packages/nixpkgs/ocamlPackages_latest.janeStreet.accessor_base | Accessors for Base types, for use with the Accessor library |
| packages/nixpkgs/ocamlPackages_latest.janeStreet.accessor_core | Accessors for Core types, for use with the Accessor library |
| packages/nixpkgs/haskellPackages.data-default-instances-base | Default instances for types in base |
| packages/nixpkgs/haskellPackages.universe-dependent-sum | Universe instances for types from dependent-sum |
| packages/nixpkgs/haskellPackages.filesystem-conduit | Use system-filepath data types with conduits. (deprecated) |
| packages/nixpkgs/haskellPackages.ordered-containers | Set- and Map-like types that remember the order elements were inserted |
| packages/nixpkgs/texlivePackages.profmaquette | Use exercises in different types of documents |
| packages/nixpkgs/haskellPackages.universe-instances-base | Universe instances for types from the base package |
| packages/nixpkgs/haskellPackages.Configurable | Declare types as Configurable then specialize them all in one place |
| packages/nixpkgs/haskellPackages.publicsuffix | The publicsuffix list exposed as proper Haskell types |
| packages/nixpkgs/haskellPackages.data-default-instances-dlist | Default instances for types in dlist |
| packages/nixpkgs/haskellPackages.data-default_0_8_0_1 | A class for types with a default value |
| packages/nixpkgs/haskellPackages.friday-juicypixels | Converts between the Friday and JuicyPixels image types |
| packages/nixpkgs/haskellPackages.containers_0_8 | Assorted concrete container types |
| packages/nixpkgs/haskellPackages.derivingvia-extras | DerivingVia extras - Miscellaneous /via/ types |
| packages/nixpkgs/haskellPackages.string-conversions | Simplifies dealing with different types for strings |
| packages/nixpkgs/ocamlPackages_latest.accessor_async | Accessors for Async types, for use with the Accessor library |
| packages/nixpkgs/ocamlPackages.janeStreet.accessor_async | Accessors for Async types, for use with the Accessor library |
| 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.dimensional-codata | CODATA Recommended Physical Constants with Dimensional Types |
| packages/nixpkgs/haskellPackages.data-default-instances-new-base | Default instances for types in newer versions of base package |
| packages/nixpkgs/perl538Packages.CatalystPluginConfigLoader | Load config files of various types |
| packages/nixpkgs/perl540Packages.CatalystPluginConfigLoader | Load config files of various types |
| packages/nixpkgs/haskellPackages.ihp-postgresql-simple-extra | Extra data types for postgresql-simple |
| packages/nixpkgs/haskellPackages.rank1dynamic | Like Data |
| packages/nixpkgs/haskellPackages.extended-containers | Heap and Vector container types |
| packages/nixpkgs/haskellPackages.adaptive-containers | Self optimizing container types |
| packages/nixpkgs/haskellPackages.querystring-pickle | Picklers for de/serialising Generic data types to and from query strings |
| packages/nixpkgs/haskellPackages.validity-persistent | Validity instances for persistent-related types |
| packages/nixpkgs/haskellPackages.universe-instances-trans | Universe instances for types from the transformers and mtl packages |
| packages/nixpkgs/haskellPackages.fractionizer | Numbers in the range [0.005, 1] as a sum of 2, 3, 4 or 5 unit fractions of special types. |
| packages/nixpkgs/haskellPackages.hashable-accelerate | A class for types which can be converted into a hash value |
| packages/nixpkgs/haskellPackages.familiar-reflection | Reifies arbitrary terms into types that can be reflected back into terms |
| packages/nixpkgs/haskellPackages.nonempty-containers | Non-empty variants of containers data types, with full API |
| packages/nixpkgs/haskellPackages.clash-prelude-quickcheck | QuickCheck instances for various types in the CλaSH Prelude |
| packages/nixpkgs/haskellPackages.linguistic-ordinals | Express Integral types as linguistic ordinals (1st, 2nd, 3rd, etc) |
| packages/nixpkgs/haskellPackages.data-default-instances-vector | Default instances for types defined in vector package |
| packages/nixpkgs/haskellPackages.persistent-database-url | Parse DATABASE_URL into configuration types for Persistent |
| packages/nixpkgs/haskellPackages.Shpadoinkle-widgets | A collection of common reusable types and components |
| packages/nixpkgs/kodiPackages.inputstream-adaptive | Kodi inputstream addon for several manifest types |
| packages/nixpkgs/python313Packages.convertertools | Tools for converting python data types |
| packages/nixpkgs/python314Packages.convertertools | Tools for converting python data types |
| packages/nixpkgs/haskellPackages.leancheck-enum-instances | listable instances for small enum types |
| packages/nixpkgs/haskellPackages.genvalidity-sydtest | Standard properties for functions on `Validity` types for the sydtest framework |
| packages/nixpkgs/haskellPackages.hashable_1_5_0_0 | A class for types that can be converted to a hash value |
| packages/nixpkgs/haskellPackages.data-default-instances-old-locale | Default instances for types in old-locale |
| packages/nixpkgs/haskellPackages.vect-floating-accelerate | Accelerate instances for vect-floating types |
| packages/nixpkgs/haskellPackages.hashable_1_4_7_0 | A class for types that can be converted to a hash value |
| packages/nixpkgs/ocamlPackages.ppx_string_conv | Ppx to help derive of_string and to_string, primarily for variant types |
| packages/nixpkgs/ocamlPackages.ppx_yojson_conv | PPX syntax extension that generates code for converting OCaml types to and from Yojson |
| packages/nixpkgs/ocamlPackages_latest.janeStreet.accessor_async | Accessors for Async types, for use with the Accessor library |
| packages/nixpkgs/haskellPackages.liquidhaskell | Liquid Types for Haskell |
| packages/nixpkgs/haskellPackages.unordered-containers | Efficient hashing-based container types |
| packages/nixpkgs/haskellPackages.groundhog-converters | Extended Converter Library for groundhog embedded types |
| packages/nixpkgs/haskellPackages.nonempty-alternative | NonEmpty for Alternative types |
| packages/nixpkgs/haskellPackages.structural-induction | Instantiate structural induction schemas for algebraic data types |
| packages/nixpkgs/haskellPackages.genvalidity-property | Standard properties for functions on `Validity` types |
| packages/nixpkgs/haskellPackages.ihaskell-juicypixels | IHaskell - IHaskellDisplay instances of the image types of the JuicyPixels package |
| packages/nixpkgs/python312Packages.convertertools | Tools for converting python data types |
| packages/nixpkgs/haskellPackages.liquidhaskell-boot | Liquid Types for Haskell |
| packages/nixpkgs/haskellPackages.compositional-data | Compositional Data Types |
| packages/nixpkgs/haskellPackages.quickcheck-enum-instances | arbitrary instances for small enum types |
| packages/nixpkgs/haskellPackages.distribution-nixpkgs | Types and functions to manipulate the Nixpkgs distribution |
| packages/nixpkgs/haskellPackages.parameterized-data | Parameterized data library implementing lightweight dependent types |
| packages/nixpkgs/ocamlPackages_latest.ppx_string_conv | Ppx to help derive of_string and to_string, primarily for variant types |
| packages/nixpkgs/ocamlPackages.janeStreet.ppx_string_conv | Ppx to help derive of_string and to_string, primarily for variant types |
| packages/nixpkgs/ocamlPackages_latest.ppx_yojson_conv | PPX syntax extension that generates code for converting OCaml types to and from Yojson |
| packages/nixpkgs/haskellPackages.containers-accelerate | Hashing-based container types |
| packages/nixpkgs/haskellPackages.universe-instances-extended | Universe instances for types from selected extra packages |
| packages/nixpkgs/haskellPackages.criterion-measurement | Criterion measurement functionality and associated types |
| packages/nixpkgs/haskellPackages.parameterized-utils | Classes and data structures for working with data-kind indexed types |
| packages/nixpkgs/haskellPackages.foreign-storable-asymmetric | Types and instances for implementing a Storable with different peek and poke |
| packages/nixpkgs/haskellPackages.aws-configuration-tools | Configuration types, parsers & renderers for AWS services |
| packages/nixpkgs/haskellPackages.strongweak_0_12_0 | Convert between strong and weak representations of types |
| packages/nixpkgs/haskellPackages.distribution-opensuse | Types, functions, and tools to manipulate the openSUSE distribution |
| packages/nixpkgs/haskellPackages.collections-base-instances | Useful standard collections types and related functions |
| packages/nixpkgs/ocamlPackages_latest.janeStreet.ppx_string_conv | Ppx to help derive of_string and to_string, primarily for variant types |
| packages/nixpkgs/haskellPackages.persistent-instances-iproute | Persistent instances for types in iproute |
| packages/nixpkgs/haskellPackages.hschema-prettyprinter | Describe schemas for your Haskell data types |
| packages/nixpkgs/haskellPackages.hasql-implicits_0_1_1_3 | Implicit definitions for Hasql, such as default codecs for standard types |
| packages/nixpkgs/haskellPackages.distribution-nixpkgs-unstable | Types and functions to manipulate the Nixpkgs distribution |
| packages/nixpkgs/haskellPackages.data-default-instances-containers | Default instances for types in containers |
| packages/nixpkgs/haskellPackages.quickcheck-arbitrary-template | Generate QuickCheck Gen for Sum Types |
| packages/nixpkgs/python313Packages.sortedcontainers | Python Sorted Container Types: SortedList, SortedDict, and SortedSet |