| haskellPackages.newtype-deriving | Instance derivers for newtype wrappers |
| haskellPackages.deriving-show-simple | Derive a Show instance without field selector names |
| haskellPackages.ihaskell-gnuplot | IHaskell display instance for Gnuplot (from gnuplot package) |
| haskellPackages.parseerror-eq | Adds and Eq instance for Parsec's ParseError if needed |
| haskellPackages.either-semigroup | Either with a stricter Semigroup instance |
| haskellPackages.bits-bytestring | Bits instance for bytestrings |
| haskellPackages.fixed-storable-array | Fixed-size wrapper for StorableArray, providing a Storable instance. Deprecated - use storable-static-array instead. |
| haskellPackages.quickcheck-text | Alternative arbitrary instance for Text |
| haskellPackages.envy-extensible | Provides FromEnv in envy instance for Record of extensible |
| haskellPackages.WebBits-multiplate | A Multiplate instance for JavaScript |
| haskellPackages.ihaskell-graphviz | IHaskell display instance for GraphViz (external binary) |
| haskellPackages.bits-bytestring-lazy | Bits instance for lazy bytestrings |
| haskellPackages.messagepack | Serialize instance for Message Pack Object |
| haskellPackages.alternative-io | IO as Alternative instance (deprecated) |
| haskellPackages.wrapped-generic-default | A Generic instance of Default |
| haskellPackages.relational-query-HDBC | HDBC instance of relational-query and typed query interface for HDBC |
| haskellPackages.hs-swisstable-hashtables-class | Data.HashTable.Class instance definition for Data.HashTable.ST.Swiss |
| haskellPackages.postgresql-typed-lifted | postgresql-typed operations lifted to any instance of MonadBase or MonadBaseControl |
| haskellPackages.constraints-emerge | Defer instance lookups until runtime |
| haskellPackages.sized-wrapper-quickcheck | QuickCheck instance for 'Sized' |
| haskellPackages.netwire-input-javascript | JavaScript instance of netwire-input |
| haskellPackages.mono-traversable-wrapper | Wrapper providing Foldable instance for MonoFoldables |
| haskellPackages.standalone-derive-topdown | This package will derive class instance along the data type declaration tree. (Deprecated) |
| haskellPackages.gogol-replicapool-updater | Google Compute Engine Instance Group Updater SDK |
| haskellPackages.gogol-resourceviews | Google Compute Engine Instance Groups SDK |
| haskellPackages.nonempty-wrapper-quickcheck | QuickCheck instance for 'NonEmpty' |
| haskellPackages.intrinsic-superclasses | A quasiquoter for better instance deriving and default methods |