parallel alternatives and similar packages

Based on the "Control" category.
Alternatively, view parallel alternatives based on common mentions on social networks and blogs.

rio-orphans

9.9 4.0 parallel VS rio-orphans

A standard library for Haskell
transient

9.8 0.0 parallel VS transient

A full stack, reactive architecture for general purpose programming. Algebraic and monadically composable primitives for concurrency, parallelism, event handling, transactions, multithreading, Web, and distributed computing with complete de-inversion of control (No callbacks, no blocking, pure state)

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fused-effects

9.8 5.2 parallel VS fused-effects

A fast, flexible, fused effect system for Haskell
funflow

9.8 8.1 parallel VS funflow

Functional workflows
machines

9.8 2.7 parallel VS machines

Networks of composable stream transducers
pipes

9.8 3.7 parallel VS pipes

Compositional pipelines
mtl

9.7 1.9 parallel VS mtl

The Monad Transformer Library
capability

9.7 5.8 parallel VS capability

Extensional capabilities and deriving combinators
apecs

9.7 4.0 parallel VS apecs

a fast, type driven, extensible ECS for game development
recursion-schemes

9.7 6.0 parallel VS recursion-schemes

Generalized bananas, lenses and barbed wire
classy-prelude-yesod

9.6 4.8 parallel VS classy-prelude-yesod

Type classes for mapping, folding, and traversing monomorphic containers
classy-prelude

9.6 4.8 parallel VS classy-prelude

Type classes for mapping, folding, and traversing monomorphic containers
distributed-closure

9.6 0.0 parallel VS distributed-closure

Serializable closures for distributed programming.
selective

9.6 5.0 parallel VS selective

Selective Applicative Functors: Declare Your Effects Statically, Select Which to Execute Dynamically
foldl

9.6 3.8 parallel VS foldl

Composable, streaming, and efficient left folds
record

9.6 0.0 parallel VS record

Anonymous records
free

9.6 4.7 parallel VS free

free monads
auto

9.5 0.0 parallel VS auto

Haskell DSL and platform providing denotational, compositional api for discrete-step, locally stateful, interactive programs, games & automations. http://hackage.haskell.org/package/auto
abstract-par

9.5 0.0 parallel VS abstract-par

Type classes generalizing the functionality of the 'monad-par' library.
extensible-effects

9.5 0.0 parallel VS extensible-effects

Extensible Effects: An Alternative to Monad Transformers
hask

9.5 0.0 parallel VS hask

Category theory for Haskell with a lens flavor (you need GHC 7.8.3, not 7.8.2 to build this!)
freer-simple

9.5 0.0 parallel VS freer-simple

A friendly effect system for Haskell
safe-exceptions

9.5 3.4 parallel VS safe-exceptions

Safe, consistent, and easy exception handling
ComonadSheet

9.4 0.0 parallel VS ComonadSheet

A library for expressing "spreadsheet-like" computations with absolute and relative references, using fixed-points of n-dimensional comonads.
transient-universe

9.4 0.0 parallel VS transient-universe

A Cloud monad based on transient for the creation of Web and reactive distributed applications that are fully composable, where Web browsers are first class nodes in the cloud
these

9.4 3.2 parallel VS these

An either-or-both data type, with corresponding hybrid error/writer monad transformer.
unliftio

9.4 7.3 parallel VS unliftio

The MonadUnliftIO typeclass for unlifting monads to IO
retry

9.4 1.7 parallel VS retry

Retry combinators for monadic actions that may fail
frpnow

9.3 0.0 parallel VS frpnow

Principled practical FRP
cloud-haskell

9.2 0.0 parallel VS cloud-haskell

This is an umbrella development repository for Cloud Haskell
either

9.2 3.4 parallel VS either

the EitherT monad transformer
distributed-fork

9.2 0.0 parallel VS distributed-fork

A distributed data processing framework in Haskell.
contravariant

9.2 4.8 parallel VS contravariant

Haskell 98 contravariant functors
distributed-process-platform

9.2 0.0 parallel VS distributed-process-platform

DEPRECATED (Cloud Haskell Platform) in favor of distributed-process-extras, distributed-process-async, distributed-process-client-server, distributed-process-registry, distributed-process-supervisor, distributed-process-task and distributed-process-execution
tardis

9.1 0.0 parallel VS tardis

Bidirectional state monad transformer
errors

9.1 1.9 parallel VS errors

Type-safe error handling
deepseq

9.1 1.5 parallel VS deepseq

Deep evaluation of data structures
ifcxt

9.1 0.0 parallel VS ifcxt

constraint level if statements
monad-control

9.1 4.1 parallel VS monad-control

Lift control operations, like exception catching, through monad transformers
freer-effects

9.0 0.0 parallel VS freer-effects

An implementation of "Freer Monads, More Extensible Effects".
exceptions

9.0 2.4 parallel VS exceptions

mtl friendly exceptions
monad-time

9.0 0.0 parallel VS monad-time

Type class for monads which carry the notion of the current time.
operational

9.0 4.2 parallel VS operational

Implement monads by specifying instructions and their desired operational semantics.
lens-tutorial

8.9 0.0 parallel VS lens-tutorial

The missing tutorial module for the lens library
ether

8.9 0.0 parallel VS ether

Monad Transformers and Classes
motor

8.9 0.0 parallel VS motor

Type-safe effectful state machines in Haskell
effect-monad

8.9 0.0 parallel VS effect-monad

Provides 'graded monads' and 'parameterised monads' to Haskell, enabling fine-grained reasoning about effects.
mmorph

8.9 4.9 parallel VS mmorph

Monad morphisms
hpc-coveralls

8.9 0.0 parallel VS hpc-coveralls

coveralls.io support for haskell code coverage with hpc
ixmonad

8.9 0.0 parallel VS ixmonad

Provides 'graded monads' and 'parameterised monads' to Haskell, enabling fine-grained reasoning about effects.