Haskell Concurrency

Run IO operations asynchronously and wait for their results

Beautiful Streaming, Concurrent and Reactive Composition

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

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

Run MonadConc operations asynchronously and wait for their results.

Model-view-controller

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

Concurrency for the pipes ecosystem

Introduces conduits to channels, and promotes using conduits concurrently.

Cached and parallel data fetching.

Running worker processes under system resource restrictions

Concurrent PostgreSQL data consumers

Containers for STM

A command line type checker for CSPM files.

OTP-like supervision trees in Haskell

Fork threads and wait for their result

Extra queue utilities for STM

Distributed, stateful, homogeneous microservice framework.

Concurrent networked stream transducers

Run lifted IO operations asynchronously and wait for their results

Sirkel, a Chord DHT

Extra concurrency primitives

A fast concurrent unique identifier supply with a pure API

Lazy demand-driven promises

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

Simple, IO-based library for Erlang-style thread supervision

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

A principal solution to ghost threads and silent exceptions

(deprecated in favor of 'threads') Simple thread management

Non-blocking concurrent map

Concurrent and combinable updates

Simple package that implements timers.

Unbounded thread delays and timeouts

Much safer replacement for QSemN, QSem, and SampleVar

Rate limiter using lazy bucket algorithm

Loop over an action but throttle it to a certain rate

Implementation of bounded channels.

Fully concurrent unique identifiers

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

Go-style channels

Control.Concurrent.Chan split into sending and receiving halves.

Unagi Chan IO-Streams

Generalized sleep and timeout functions

A monadic interface for async

A concurrent utility inspired by Ticker in golang

Updatable timeouts as a Monad transformer

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

A fast, cache-efficient, concurrent bloom filter

Tiny library for concurrent computations

Contention-free STM hash map

A named lock that is created on demand.

Streaming to and from subprocesses using Pipes

Kick Channels

Concurrent actions that may fail with a value.

Basic Erlang-like process support for Haskell

Chunked Communication Queues

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

Baisc, Erlang-like message passing supporting sockets.

Limit number of IO actions started per second

NCurses interface to view multiple ByteString streams in parallel.

Extra Utilities for the Async Library

A simple round-robin data type

Lightweight Erlang-style actors for Haskell.

Multiple-read / single-write locks

utility for collapsing adjacent writes

Simple package that allows for long thread suspensions.

Practical actors for Haskell.

Synchronize actions to a time pulse

Transactional I/O for duplex streams

Bundles shared calls to IO functions to perform them only once

Provides API for timer based execution of IO actions

Concurrent channels with a forwarding primitive

Throttler between arbitrary IO producer and consumer functions

Simple thread barriers

Fast concurrent queues much inspired by unagi-chan

Useful concurrent combinators

Thread delay and timeout functions with typed arguments

Simple Haskel thread management in hierarchical manner

Heartbeats for io-streams

STM's TChan split into sending and receiving halves.

Extra STM functions

Minimalistic actor library

A trivial lock based on MVar.

mecha are the most complex composite machines known to humanity, lets build them well!

GraphHammer Haskell graph analyses framework inspired by STINGER.