| haskellPackages.aws-secrets | Fetch data from AWS Secrets Manager |
| haskellPackages.ban-instance | For when a type should never be an instance of a class |
| haskellPackages.if-instance | Branch on whether a constraint is satisfied |
| haskellPackages.instance-map | Template haskell utilities for helping with deserialization etc. of existential types |
| haskellPackages.multi-instance | Typeclasses augmented with a phantom type parameter |
| haskellPackages.path-binary-instance | Binary instance for Path |
| haskellPackages.flag-dhall-instance | FromDhall and ToDhall instances for flag |
| haskellPackages.path-dhall-instance | ToDhall and FromDhall instances for Path |
| haskellPackages.instance-control | Controls how the compiler searches for instances using type families |
| haskellPackages.ixset-typed-binary-instance | Binary instance for ixset-typed |
| haskellPackages.errorcall-eq-instance | An orphan Eq instance for ErrorCall |
| haskellPackages.ixset-typed-hashable-instance | Hashable instance for ixset-typed |
| haskellPackages.amazonka-ec2-instance-connect | Amazon EC2 Instance Connect SDK |
| haskellPackages.version-natural-dhall-instance | FromDhall and ToDhall instances for version-natural |
| haskellPackages.th-instance-reification | Fixed versions of instances reification functions |
| haskellPackages.th-instances | A place to collect orphan instances for Template Haskell |
| haskellPackages.ghc-instances | Easily import all instances contained in GHC distributed libraries |
| haskellPackages.subG-instances | Additional instances for the InsertLeft class from subG package |
| haskellPackages.prim-instances | Prim typeclass instances |
| haskellPackages.syb-with-class-instances-text | Scrap Your Boilerplate With Class Text instance |
| haskellPackages.th-lift-instances | Lift instances for template-haskell for common data types |
| haskellPackages.mtl-evil-instances | Instances for the mtl classes for all monad transformers |
| haskellPackages.dlist-instances | Difference lists instances |
| haskellPackages.exist-instances | Instances for "exist" package (requires more language extensions and dependencies) |
| haskellPackages.wide-word-instances | Instances for wide-word |
| haskellPackages.text-show-instances | Additional instances for text-show |
| haskellPackages.one-liner-instances | Generics-based implementations for common typeclasses |
| haskellPackages.binary-instances | Orphan instances for binary |
| haskellPackages.binrep-instances | Orphan instances for binrep |
| haskellPackages.vector-instances | Orphan Instances for 'Data.Vector' |
| haskellPackages.quiver-instances | Extra instances for Quiver |
| haskellPackages.to-string-instances | Instances for the ToString class |
| haskellPackages.first-class-instances | First-class typeclass instances |
| haskellPackages.amazonka-secretsmanager | Amazon Secrets Manager SDK |
| haskellPackages.vector-read-instances | (deprecated) Read instances for 'Data.Vector' |
| haskellPackages.runtime-instances | Look up class instances at runtime |
| haskellPackages.deepseq-instances | Candidate NFData Instances for Types in base |
| haskellPackages.ghc-generic-instances | Derived instances of GHC.Generic of the GHC AST |
| haskellPackages.vector-bytes-instances | Serial (from the bytes package) for Vector (from the vector package) |
| haskellPackages.tuple-append-instances | Extra instances for the typeclasses in the tuple-append package |
| haskellPackages.heavy-logger-instances | Orphan instances for data types in heavy-logger package |
| haskellPackages.discover-instances | |
| haskellPackages.listlike-instances | Extra instances of the ListLike class |
| haskellPackages.password-instances | typeclass instances for password package |
| haskellPackages.vector-binary-instances | Instances of Data.Binary for vector |
| haskellPackages.derive-lifted-instances | Derive class instances though various kinds of lifting |
| haskellPackages.data-default-instances-base | Default instances for types in base |
| haskellPackages.data-default-instances-text | Default instances for (lazy and strict) Text and Text Builder |
| haskellPackages.universe-instances-base | Universe instances for types from the base package |
| haskellPackages.data-default-instances-new-base | Default instances for types in newer versions of base package |
| haskellPackages.generic-pretty-instances | GenericPretty canonical instances |
| haskellPackages.data-default-instances-dlist | Default instances for types in dlist |
| haskellPackages.leancheck-instances | Common LeanCheck instances |
| haskellPackages.serialize-instances | Instances for Serialize of cereal |
| haskellPackages.universe-instances-trans | Universe instances for types from the transformers and mtl packages |
| haskellPackages.data-default-instances-vector | Default instances for types defined in vector package |
| haskellPackages.leancheck-enum-instances | listable instances for small enum types |
| haskellPackages.data-default-instances-old-locale | Default instances for types in old-locale |
| haskellPackages.quickcheck-instances | Common quickcheck instances |
| haskellPackages.function-instances-algebra | Instances of the Algebra.* classes for functions |
| haskellPackages.universe-reverse-instances | Instances of standard classes that are made possible by enumerations |
| haskellPackages.quickcheck-enum-instances | arbitrary instances for small enum types |
| haskellPackages.bidirectional-instances | Make instance constraints bidirectional |
| haskellPackages.universe-instances-extended | Universe instances for types from selected extra packages |
| haskellPackages.data-default-instances-case-insensitive | Default instance for CI type from case-insensitive package |
| haskellPackages.tupleinstances | Functor, Applicative and Monad for n-ary tuples |
| haskellPackages.mono-traversable-instances | Extra typeclass instances for mono-traversable |
| haskellPackages.collections-base-instances | Useful standard collections types and related functions |
| haskellPackages.persistent-instances-iproute | Persistent instances for types in iproute |
| haskellPackages.stratosphere-secretsmanager | Stratosphere integration for AWS SecretsManager |
| haskellPackages.vector-instances-collections | Instances of the Data.Collections classes for Data.Vector.* |
| haskellPackages.data-default-instances-containers | Default instances for types in containers |
| haskellPackages.data-default-instances-bytestring | Default instances for (lazy and strict) ByteString, Builder and ShortByteString |
| haskellPackages.indexed-traversable-instances | More instances of FunctorWithIndex, FoldableWithIndex, TraversableWithIndex |
| haskellPackages.constrained-platform-instances | Instances of standard platform types for 'constrained' package |
| haskellPackages.data-default-instances-unordered-containers | Default instances for unordered-containers |
| haskellPackages.stratosphere-workspacesinstances | Stratosphere integration for AWS WorkspacesInstances |
| haskellPackages.hs-swisstable-hashtables-class | Data.HashTable.Class instance definition for Data.HashTable.ST.Swiss |
| haskellPackages.vaultenv | Runs processes with secrets from HashiCorp Vault |
| haskellPackages.mi | Multiple Instance for Haskell |
| haskellPackages.ANum | Num instance for Applicatives provided via the ANum newtype |
| haskellPackages.both | Like Maybe, but with a different Monoid instance |
| haskellPackages.valid | Type isomorphic to `Either` with `Applicative` instance which combines errors |
| haskellPackages.ekg-bosun | Send ekg metrics to a Bosun instance |
| haskellPackages.snow-white | encode any binary instance to white space |
| haskellPackages.monoid-map | A monoidal map with the right group instance |
| haskellPackages.derive-gadt | Instance deriving for (a subset of) GADTs |
| haskellPackages.web-routes-hsp | Adds XMLGenerator instance for RouteT monad |
| haskellPackages.xmonad-eval | Module for evaluation Haskell expressions in the running xmonad instance |
| haskellPackages.th-context | Test instance context |
| haskellPackages.hunit-parsec | An HUnit Testable instance for Parsec parser unit tests |
| haskellPackages.writer-cps-morph | MFunctor instance for CPS style WriterT and RWST |
| haskellPackages.either-result | The simplest ‘MonadFail’ instance |
| haskellPackages.hls-class-plugin | Class/instance management plugin for Haskell Language Server |
| haskellPackages.syntax-pretty | Syntax instance for pretty, the pretty printing library |
| haskellPackages.pretty-simple | pretty printer for data types with a 'Show' instance |
| haskellPackages.ihaskell-plot | IHaskell display instance for Plot (from plot package) |
| haskellPackages.collect-errors | Error monad with a Float instance |
| haskellPackages.netwire-input-glfw | GLFW instance of netwire-input |
| haskellPackages.storable-tuple | Storable instance for pairs and triples |