| 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.webmention | Types and functions for working with Webmentions |
| packages/nixpkgs/haskellPackages.structured | Structure (hash) of your data types |
| packages/nixpkgs/haskellPackages.character-cases | Exposes subspecies types of Char |
| packages/nixpkgs/haskellPackages.gloss-rendering | Gloss picture data types and rendering functions |
| packages/nixpkgs/haskellPackages.conversion | Universal converter between values of different types |
| 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.hasql-implicits | Implicit definitions for Hasql, such as default codecs for standard types |
| packages/nixpkgs/haskellPackages.leanpub-concepts | Types for the Leanpub API |
| 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.ghc-stack-profiler-core | Thread sample types and serialisation logic for `ghc-stack-profiler` |
| packages/nixpkgs/haskellPackages.extensible | Extensible, efficient, optics-friendly data types and effects |
| 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.language-nix-unstable | Data types and functions to represent the Nix language |
| packages/nixpkgs/haskellPackages.polysemy-managed | Primitive functions and data types |
| packages/nixpkgs/haskellPackages.singletons-th | A framework for generating singleton types |
| packages/nixpkgs/haskellPackages.multiplate | Lightweight generic library for mutually recursive data types |
| packages/nixpkgs/haskellPackages.projection | Projection function for arbitrarily nested binary product types |
| packages/nixpkgs/haskellPackages.atomic-primops-vector | Atomic operations on Data |
| packages/nixpkgs/haskellPackages.attoparsec-ip | Parse IP data types with attoparsec |
| packages/nixpkgs/haskellPackages.ihaskell-display | IHaskell display instances for basic types |
| packages/nixpkgs/haskellPackages.fb-persistent | Provides Persistent instances to Facebook types |
| packages/nixpkgs/haskellPackages.servant-zeppelin | Types and definitions of servant-zeppelin combinators |
| packages/nixpkgs/haskellPackages.reflection | Reifies arbitrary terms into types that can be reflected back into terms |
| packages/nixpkgs/perl540Packages.SpecioLibraryPathTiny | Path::Tiny types and coercions for Specio |
| packages/nixpkgs/perl538Packages.SpecioLibraryPathTiny | Path::Tiny types and coercions for Specio |
| packages/nixpkgs/haskellPackages.extensible-sp | light-weight, extensible sums and products over types and kinds |
| packages/nixpkgs/haskellPackages.jordan-servant-client | Servant Client Instances for Jordan Servant Types |
| packages/nixpkgs/haskellPackages.primitive-serial | Serialisation of primitive types |
| packages/nixpkgs/haskellPackages.specialize-th | Create specialized types from polymorphic ones using TH |
| packages/nixpkgs/haskellPackages.dependent-state | Control structure similar to Control |
| packages/nixpkgs/haskellPackages.hexpat-pickle-generic | Picklers for de/serialising Generic data types to and from XML |
| packages/nixpkgs/haskellPackages.vaultaire-common | Common types and instances for Vaultaire |
| packages/nixpkgs/haskellPackages.primitive-offset | Types for offsets into unboxed arrays |
| packages/nixpkgs/haskellPackages.closed-intervals | Closed intervals of totally ordered types |
| packages/nixpkgs/haskellPackages.brillo-rendering | Brillo picture data types and rendering functions |
| packages/nixpkgs/haskellPackages.happstack-monad-peel | monad-peel instances for Happstack types |
| packages/nixpkgs/haskellPackages.http-attoparsec | Attoparsec parsers for http-types |
| packages/nixpkgs/haskellPackages.tagged_0_8_10 | Haskell 98 phantom types to avoid unsafely passing dummy arguments |
| packages/nixpkgs/haskellPackages.persistent-map | A thread-safe (STM) persistency interface for finite map types |
| packages/nixpkgs/haskellPackages.attoparsec-data | Parsers for the standard Haskell data types |
| packages/nixpkgs/haskellPackages.text-postgresql | Parser and Printer of PostgreSQL extended types |
| packages/nixpkgs/haskellPackages.servant-response | Machinery to express how servant should turn results of database operations into proper JSON-encodable response types |
| packages/nixpkgs/haskellPackages.yaya-containers | Pattern functors and instances for types in the containers package |
| packages/nixpkgs/haskellPackages.text-containers | Memory-efficient string-indexed container types |
| packages/nixpkgs/haskellPackages.data-default-generics | A class for types with a default value |
| packages/nixpkgs/haskellPackages.hnix-store-core_0_8_0_0 | Core types used for interacting with the Nix store |
| packages/nixpkgs/haskellPackages.singletons-th_3_5 | A framework for generating singleton types |
| packages/nixpkgs/haskellPackages.ihaskell-diagrams | IHaskell display instances for diagram types |
| packages/nixpkgs/haskellPackages.compdata-automata | Tree automata on Compositional Data Types |
| packages/nixpkgs/haskellPackages.postgresql-ltree | Types and functions for representing PostgreSQL's ltree |
| packages/nixpkgs/perl538Packages.MooseXParamsValidate | Extension of Params::Validate using Moose's types |
| packages/nixpkgs/perl540Packages.MooseXParamsValidate | Extension of Params::Validate using Moose's types |
| packages/nixpkgs/haskellPackages.dependent-enummap | A generalisation of EnumMap to dependent types |
| packages/nixpkgs/haskellPackages.tagged-exception-core | Reflect exceptions using phantom types |
| packages/nixpkgs/haskellPackages.network-arbitrary | Arbitrary Instances for Network Types |
| packages/nixpkgs/haskellPackages.cryptostore | Serialization of cryptographic data types |
| packages/nixpkgs/haskellPackages.deepseq-instances | Candidate NFData Instances for Types in base |
| packages/nixpkgs/haskellPackages.existential | Existential types with lens-like accessors |
| packages/nixpkgs/haskellPackages.container-classes | Generic classes for interacting with different container types |
| packages/nixpkgs/haskellPackages.taskwarrior | Types and aeson instances for taskwarrior tasks |
| packages/nixpkgs/haskellPackages.collections | Useful standard collections types and related functions |
| packages/nixpkgs/haskellPackages.reorderable | Define compound types that do not depend on member order |
| packages/nixpkgs/texlivePackages.dtxdescribe | Describe additional object types in dtx source files |
| packages/nixpkgs/haskellPackages.dobutokO-frequency | Helps to create experimental music |
| packages/nixpkgs/haskellPackages.opentheory-stream | Infinite stream types |
| packages/nixpkgs/haskellPackages.th-abstraction | Nicer interface for reified information about data types |
| packages/nixpkgs/haskellPackages.heroku-persistent | Parse DATABASE_URL into configuration types for Persistent |
| packages/nixpkgs/haskellPackages.statistics-skinny | A library of statistical types, data, and functions |
| packages/nixpkgs/haskellPackages.derive-enumerable | Generic instances for enumerating complex data types |
| packages/nixpkgs/haskellPackages.ceilometer-common | Common Haskell types and encoding for OpenStack Ceilometer |
| packages/nixpkgs/haskellPackages.heavy-logger-instances | Orphan instances for data types in heavy-logger package |
| packages/nixpkgs/haskellPackages.ripple-federation | Utilities and types to work with the Ripple federation protocol |
| packages/nixpkgs/haskellPackages.postgresql-config | Types for easy adding postgresql configuration to your program |
| packages/nixpkgs/perlPackages.CatalystPluginConfigLoader | Load config files of various types |
| packages/nixpkgs/haskellPackages.http-interchange | Types and serialization for HTTP |
| packages/nixpkgs/haskellPackages.hw-playground-linear | Primitive functions and data types |
| packages/nixpkgs/haskellPackages.template-haskell-optics | Optics for template-haskell types |
| 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/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) |