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#concurrency

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

69 records
Tagged “concurrency”Ranked by health index
PyPI
62Moderatehealth index
x42005e1f/aiologic
GIL-powered* locking library for Python
Python★ 93↓ 2.9M/moJul 21, 2026
Custom licenseJul 21, 2026 · metrics 1.13.0
Go
61Moderatehealth index
DaanV2/go-optimal
A simple, fast, and easy-to-use library for optimally creating and handling data and slices.
Go★ 3Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
PyPI
61Moderatehealth index
jfhbrook/pyee
A rough port of Node.js's EventEmitter to Python with a few tricks of its own
Python★ 428↓ 82.9M/moJul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
PyPI · crates.io
61Moderatehealth index
lucaswiman/frontrun
Python library for controlling ordering of concurrent events to find and reproduce race conditions
Python★ 3↓ 2,135/moJul 16, 2026
MPL-2.0Jul 16, 2026 · metrics 1.13.0
PyPI
61Moderatehealth index
python-arq/arq
Fast job queuing and RPC in python with asyncio and redis.
Python★ 2,989Jul 21, 2026
MITJul 21, 2026 · metrics 1.13.0
npm
61Moderatehealth index
sindresorhus/p-map
Map over promises concurrently
JavaScript★ 1,504↓ 391M/moJul 22, 2026
MITJul 22, 2026 · metrics 1.13.0
Go
59Moderatehealth index
daanv2/optimal
A simple, fast, and easy-to-use library for optimally creating and handling data and slices.
Go★ 3Jul 16, 2026
MITJul 16, 2026 · metrics 1.13.0
crates.io
59Moderatehealth index
fast/mea
MEA provides async primitives and combinators that are runtime agnostic.
Rust★ 205↓ 538.5K/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
PyPI
59Moderatehealth index
x42005e1f/culsans
Thread-safe async-aware queue for Python
Python★ 62↓ 2.5M/moJul 21, 2026
Custom licenseJul 21, 2026 · metrics 1.13.0
crates.io
58Moderatehealth index
al8n/wg
Golang like WaitGroup implementation for sync/async Rust, support no_std environment.
Rust★ 37↓ 16K/moJul 14, 2026
Apache-2.0Jul 14, 2026 · metrics 1.13.0
Go
58Moderatehealth index
coregx/signals
Type-safe reactive state management for Go, inspired by Angular Signals. Zero allocations, thread-safe, production-ready.
Go★ 18Jul 18, 2026
MITJul 18, 2026 · metrics 1.13.0
crates.io
58Moderatehealth index
houseme/starshard
Starshard: a high-performance, lazily sharded concurrent HashMap for Rust.
Rust★ 10↓ 7,200/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
Go
58Moderatehealth index
k1low/concgroup
concgroup provides almost the same features to goroutine groups as golang.org/x/sync/errgroup but ensures sequential run of goroutines with the same group key.
Go★ 0↓ 0/moJul 14, 2026
MITJul 14, 2026 · metrics 1.13.0
Go
58Moderatehealth index
tychoish/fun
Go basic utility library with futures, iterators, pubsub programming, ergonomic data types, and pipeline programming. Has no third-party dependencies.
Go★ 12Jul 21, 2026
Apache-2.0Jul 21, 2026 · metrics 1.13.0
crates.io
57Moderatehealth index
agerasev/ringbuf
Lock-free SPSC FIFO ring buffer with direct access to inner data
Rust★ 584↓ 1.1M/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
npm
56Moderatehealth index
3axap4eHko/sabcom
No repository description published.
TypeScript★ 0↓ 2,849/moJul 15, 2026
Apache-2.0Jul 15, 2026 · metrics 1.13.0
Packagist
56Moderatehealth index
openswoole/swoole-src
Programmatic server for PHP with async IO, coroutines and fibers
C++ · PHP★ 858Jul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
56Moderatehealth index
smol-rs/async-fs
Async filesystem primitives
Rust★ 150↓ 3.2M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
RubyGems
55Moderatehealth index
luizkowalski/concurrent_rails
🕹 Small library to make concurrent-ruby and Rails play nice together
Ruby★ 42Jul 18, 2026
MITJul 18, 2026 · metrics 1.13.0
PyPI
54Moderatehealth index
gabfssilva/casty
A minimalist, type-safe actor framework for Python 3.12+ with built-in distributed clustering
Python★ 1↓ 4,275/moJul 15, 2026
MITJul 15, 2026 · metrics 1.13.0
crates.io
53Moderatehealth index
ThomWright/batch-aint-one
🛒 I got 99 problems, but a batch ain't one
Rust★ 6↓ 3,387/moJul 14, 2026
MITJul 14, 2026 · metrics 1.13.0
Go
52Moderatehealth index
burrows99/async
JavaScript-style concurrency for Go — Promises, async/await, and combinators over goroutines and context.
Go★ 0Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
Go
50Moderatehealth index
thalesfsp/sypl
Simple Yet Powerful Logger
Go★ 3↓ 0/moJul 14, 2026
MITJul 14, 2026 · metrics 1.13.0
NuGet
47At riskhealth index
kahunakv/nixie
A Lightweight Actor Model Implementation for C#/.NET
C#★ 10Jul 19, 2026
MITJul 19, 2026 · metrics 1.13.0
crates.io
47At riskhealth index
shaogme/lite-sync
Fast, lightweight async primitives: SPSC channel, oneshot, notify, and atomic waker.
Rust★ 1↓ 2,687/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
Go
47At riskhealth index
thalesfsp/concurrentloop
Concurrent Processing
Go★ 1Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
Go
43At riskhealth index
joeycumines/go-bigbuff
Package bigbuff implements a one-many ordered queue producer-consumer pattern + utilities.
Go★ 3Jul 21, 2026
Apache-2.0Jul 21, 2026 · metrics 1.13.0
crates.io
43At riskhealth index
vigna/sync-cell-slice-rs
Cells and slices that are accessible from multiple threads
Rust★ 5↓ 3,799/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
Go
41At riskhealth index
mnzbono/indexsub
Synchronization primitive for efficiently subscribing to a monotonically increasing index. Select/context friendly. Concurrency safe. Per-index shared notifiications. Cheap broadcast.
Go★ 0Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
—
40At riskhealth index
whitfin/sleeplocks
BEAM friendly spinlocks for Elixir/Erlang
Erlang★ 61Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0