10

8

6

4

2


9.9

9.2
streamly

9.7

3.0
async

9.5

6.1
async-dejafu

9.5

6.1
concurrency

9.4
1.8
chaselev-deque

9.4
0.0
lvish

100 Concurrency packages and projects

  • streamly

    9.9 9.2 Haskell
    Beautiful Streaming, Concurrent and Reactive Composition

  • async

    9.7 3.0 Haskell
    Run IO operations asynchronously and wait for their results

  • async-dejafu

    9.5 6.1 Haskell
    Run MonadConc operations asynchronously and wait for their results.

    • Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
    Promoted scoutapm.com

  • concurrency

    9.5 6.1 Haskell
    Typeclasses, functions, and data types for concurrency and STM.

  • chaselev-deque

    9.4 1.8 Haskell
    Chase & Lev work-stealing lock-free double-ended queues (deques).

  • lvish

    9.4 0.0 Haskell
    Parallel scheduler, LVar data structures, and infrastructure to build more.

  • unagi-chan

    9.2 0.0 Haskell
    Fast concurrent queues with a Chan-like API, and more

  • mvc

    9.1 0.0 Haskell
    Model-view-controller

  • fraxl

    9.0 0.0 Haskell
    Cached and parallel data fetching.

  • consumers

    8.8 2.4 Haskell
    Concurrent PostgreSQL data consumers

  • capataz

    8.8 0.0 Haskell
    OTP-like supervision trees in Haskell

  • pipes-concurrency

    8.7 1.0 Haskell
    Concurrency for the pipes ecosystem

  • stm-conduit

    8.6 0.0 Haskell
    Introduces conduits to channels, and promotes using conduits concurrently.

  • stm-containers

    8.5 0.0 Haskell
    Containers for STM

  • scheduler

    8.4 4.0 Haskell
    Work stealing scheduler.

  • libcspm

    8.3 1.5 Haskell
    A library providing a parser, type checker and evaluator for CSPM.

  • cspmchecker

    8.3 1.5 Haskell
    A command line type checker for CSPM files.

  • restricted-workers

    8.2 0.0 Haskell
    Running worker processes under system resource restrictions

  • threads

    8.2 0.0 Haskell
    Fork threads and wait for their result

  • flush-queue

    8.1 0.0 Haskell
    ...

  • speculation

    8.0 0.0 Haskell
    A framework for safe, programmable, speculative parallelism

  • async-combinators

    7.9 0.0 Haskell
    Async combinators

  • lifted-async

    7.8 4.5 Haskell
    Run lifted IO operations asynchronously and wait for their results

  • legion

    7.6 - Haskell
    Distributed, stateful, homogeneous microservice framework.

  • concurrent-extra

    7.6 0.0 Haskell
    Extra concurrency primitives

  • threads-supervisor

    7.6 0.0 Haskell
    Simple, IO-based library for Erlang-style thread supervision

  • stm-queue-extras

    7.6 0.0 Haskell
    Extra queue utilities for STM

  • concurrent-machines

    7.5 0.0 Haskell
    Concurrent networked stream transducers

  • concurrent-supply

    7.4 0.0 Haskell
    A fast concurrent unique identifier supply with a pure API

  • promises

    7.4 0.0 Haskell
    Lazy demand-driven promises

  • immortal

    7.2 0.0 Haskell
    Spawn threads that never die (unless told to do so)

  • unbounded-delays

    7.1 0.0 Haskell
    Unbounded thread delays and timeouts

  • slave-thread

    7.0 0.0 Haskell
    A principal solution to ghost threads and silent exceptions

  • sirkel

    6.9 0.0 Haskell
    Sirkel, a Chord DHT

  • atomic-modify

    6.7 0.0 Haskell
    A typeclass for mutable references that have an atomic modify operation.

  • ki

    6.5 8.6 Haskell
    A lightweight, structured concurrency library

  • concurrent-hashtable

    6.4 0.9 Haskell
    Thread-safe hash tables for multi-cores!

  • ctrie

    6.3 0.0 Haskell
    Non-blocking concurrent map

  • timers

    6.3 1.3 Haskell
    Simple package that implements timers.

  • token-bucket

    6.1 0.0 Haskell
    Rate limiter using lazy bucket algorithm

  • threadmanager

    6.0 0.0 Haskell
    (deprecated in favor of 'threads') Simple thread management

  • mvc-updates

    5.9 0.0 Haskell
    Concurrent and combinable updates

  • SafeSemaphore

    5.9 0.0 Haskell
    Much safer replacement for QSemN, QSem, and SampleVar

  • unagi-bloomfilter

    5.7 0.0 Haskell
    A fast, cache-efficient, concurrent bloom filter

  • kickchan

    5.7 0.0 Haskell
    Kick Channels

  • tag-bits

    5.6 0.0 Haskell
    Provides access to the dynamic pointer tagging bits used by GHC.

  • promise

    5.6 0.0 Haskell
    A monadic interface for async

  • timeout

    5.6 0.0 Haskell
    Generalized sleep and timeout functions

  • unagi-streams

    5.6 2.6 Haskell
    Unagi Chan IO-Streams

  • unique

    5.6 0.0 Haskell
    Fully concurrent unique identifiers

  • BoundedChan

    5.6 0.0 Haskell
    Implementation of bounded channels.

  • split-channel

    5.4 0.0 Haskell
    Control.Concurrent.Chan split into sending and receiving halves.

  • simple-actors

    5.3 0.0 Haskell
    A library for more structured concurrent programming, based on the Actor Model

  • throttled-io-loop

    5.3 0.0 Haskell
    Loop over an action but throttle it to a certain rate

  • lukko

    5.3 3.6 Haskell
    File locking

  • ticker

    5.1 0.0 Haskell
    A concurrent utility inspired by Ticker in golang

  • stm-incremental

    4.9 6.6 Haskell
    A library for constructing incremental computations

  • ttrie

    4.9 0.0 Haskell
    Contention-free STM hash map

  • ochan

    4.9 1.5 TeX
    Owned channels in the Ownership Monad

  • gochan

    4.9 0.0 Haskell
    Go-style channels

  • thread-supervisor

    4.8 5.0 Haskell
    A simplified implementation of Erlang/OTP like supervisor over thread

  • spawn

    4.7 0.0 Haskell
    Tiny library for concurrent computations

  • timeout-control

    4.5 0.0 Haskell
    Updatable timeouts as a Monad transformer

  • conceit

    4.5 0.0 Haskell
    Concurrent actions that may fail with a value.

  • stm-hamt

    4.5 0.0 Haskell
    STM-specialised Hash Array Mapped Trie

  • timeout-with-results

    4.2 0.0 Haskell
    Runs a time-limited computation alowing it to return intermediate results.

  • roundRobin

    3.9 0.0 Haskell
    A simple round-robin data type

  • async-extras

    3.9 0.0 Haskell
    Extra Utilities for the Async Library

  • io-throttle

    3.8 0.0 Haskell
    Limit number of IO actions started per second

  • throttle-io-stream

    3.6 0.0 Haskell
    Throttler between arbitrary IO producer and consumer functions

  • pipes-cliff

    3.6 0.0 Haskell
    Streaming to and from subprocesses using Pipes

  • stm-chunked-queues

    3.6 0.0 Haskell
    Chunked Communication Queues

  • pulse

    3.3 0.0 Haskell
    Synchronize actions to a time pulse

  • sharedio

    3.3 0.0 Haskell
    Bundles shared calls to IO functions to perform them only once

  • stm-channelize

    3.3 0.0 Haskell
    Transactional I/O for duplex streams

  • async-timer

    3.3 0.0 Haskell
    Provides API for timer based execution of IO actions

  • theatre

    3.3 3.1 Haskell
    Minimalistic actor library

  • epass

    3.3 0.0 Haskell
    Baisc, Erlang-like message passing supporting sockets.

  • futures

    3.3 0.0 Haskell
    Simple and fast implementation of Future

  • qsem

    3.3 0.0 Haskell
    quantity semaphores

  • named-lock

    3.0 0.0 Haskell
    A named lock that is created on demand.

  • extensible-effects-concurrent

    3.0 0.7 Haskell
    Message passing concurrency as extensible-effect

  • collapse-util

    3.0 0.0 Haskell
    utility for collapsing adjacent writes

  • rwlock

    3.0 0.0 Haskell
    Multiple-read / single-write locks

  • suspend

    2.7 0.0 Haskell
    Simple package that allows for long thread suspensions.

  • lockpool

    2.7 0.0 Haskell
    set a maximum on the number of concurrent actions

  • stc-lang

    2.7 0.0 Haskell
    A library for implicit, monadic dataflow parallelism

  • thread-hierarchy

    2.7 4.0 Haskell
    Simple Haskel thread management in hierarchical manner

  • hydra-print

    2.7 0.0 Haskell
    NCurses interface to view multiple ByteString streams in parallel.

  • skip-var

    2.7 0.6 Haskell
    Skip variables

  • async-extra

    2.7 0.0 Haskell
    Useful concurrent combinators

  • typed-duration

    2.6 0.0 Haskell
    Thread delay and timeout functions with typed arguments

  • eprocess

    2.4 0.0 Haskell
    Basic Erlang-like process support for Haskell

  • split-tchan

    2.4 0.0 Haskell
    STM's TChan split into sending and receiving halves.

  • hactor

    2.4 0.0 Haskell
    Lightweight Erlang-style actors for Haskell.

  • hactors

    2.4 0.0 Haskell
    Practical actors for Haskell.

  • forward-chan

    2.0 0.0 Haskell
    Concurrent channels with a forwarding primitive

  • kazura-queue

    1.9 0.0 Haskell
    Fast concurrent queues much inspired by unagi-chan

  • lifted-stm

    1.9 0.0 Haskell
    STM operations lifted through monad transformer stacks

  • heartbeat-streams

    1.7 0.0 Haskell
    Heartbeats for io-streams

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