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#concurrency (30 Repositories)

Ranked open-source repositories tagged with #concurrency, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

83.8%

Avg Review Latency

39.3h

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30 repositories tagged #concurrency

S TierSwift 204

apple/swift-service-context

Minimal type-safe context propagation container

92.9%
Merge Rate
9h
First Review
100%
1st-Timers
4
Maintainers
A TierTypeScript 1.0k 1 GFIs

sidequestjs/sidequest

Redis-free background jobs for Node.js. Persist jobs in your existing Postgres, MySQL, SQLite, or MongoDB. A distributed, durable BullMQ alternative with a built-in dashboard.

92.1%
Merge Rate
3h
First Review
100%
1st-Timers
2
Maintainers
A TierTypeScript 124

ealmansi/set-interval-async

Modern version of setInterval for promises and async functions.

90.9%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
A TierC++ 330 11 GFIs

Awesome-Embedded-Learning-Studio/Tutorial_AwesomeModernCPP

A systematic modern C++ tutorial covering C++11-C++23, STL, concurrency, performance optimization, software engineering, embedded systems, networking, GUI, and real-world project practices.

87.0%
Merge Rate
-
First Review
75%
1st-Timers
3
Maintainers
A TierJava 14.7k 2 GFIs

eclipse-vertx/vert.x

Vert.x is a tool-kit for building reactive applications on the JVM

73.3%
Merge Rate
-
First Review
36%
1st-Timers
27
Maintainers
A TierC++ 2.9k

TheHPXProject/hpx

The C++ Standard Library for Parallelism and Concurrency

76.7%
Merge Rate
3d
First Review
80%
1st-Timers
27
Maintainers
A TierC++ 18.9k

swoole/swoole-src

🚀 Coroutine-based concurrency library for PHP

61.8%
Merge Rate
-
First Review
57%
1st-Timers
12
Maintainers
A TierC# 10.9k

dotnet/orleans

Cloud Native application framework for .NET

74.0%
Merge Rate
-
First Review
71%
1st-Timers
16
Maintainers
A TierScala 13.3k

akka/akka-core

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

76.9%
Merge Rate
-
First Review
60%
1st-Timers
3
Maintainers
A TierScala 1.6k

apache/pekko

Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala

83.2%
Merge Rate
-
First Review
83%
1st-Timers
12
Maintainers
A TierRust 9.3k

actix/actix

Actor framework for Rust.

84.4%
Merge Rate
10h
First Review
100%
1st-Timers
1
Maintainers
B TierPython 526

netromdk/vermin

Concurrently detect the minimum Python versions needed to run code

100.0%
Merge Rate
<1h
First Review
100%
1st-Timers
2
Maintainers
A TierRust 42.7k

sxyazi/yazi

💥 Blazing fast terminal file manager written in Rust, based on async I/O.

74.1%
Merge Rate
-
First Review
50%
1st-Timers
32
Maintainers
A TierOCOCaml 731

ocaml-multicore/eio

Effects-based direct-style IO for multicore OCaml

84.4%
Merge Rate
-
First Review
67%
1st-Timers
4
Maintainers
A TierScala 4.4k

zio/zio

ZIO — A type-safe, composable library for async and concurrent programming in Scala

29.7%
Merge Rate
-
First Review
23%
1st-Timers
16
Maintainers
B TierGo 1.5k

gammazero/workerpool

Concurrency limiting goroutine pool

100.0%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
B TierGo 4.8k

deckarep/golang-set

A simple, battle-tested and generic set type for the Go language. Trusted by GoogleCloudPlatform, Docker, 1Password, Ethereum and Hashicorp.

100.0%
Merge Rate
3d
First Review
100%
1st-Timers
1
Maintainers
A TierJUJulia 142

MilesCranmer/BorrowChecker.jl

A borrow checker for Julia

71.4%
Merge Rate
<1h
First Review
50%
1st-Timers
2
Maintainers
A TierRust 32.8k

yewstack/yew

Rust / Wasm framework for creating reliable and efficient web applications

87.0%
Merge Rate
1d
First Review
100%
1st-Timers
2
Maintainers
A TierHAHaskell 348 1 GFIs

neohaskell/NeoHaskell

⏩ NeoHaskell is a dialect of Haskell that is focused on newcomer-friendliness and productivity.

77.9%
Merge Rate
-
First Review
100%
1st-Timers
3
Maintainers
B TierGo 332

Tantalor93/dnspyre

CLI tool for a high QPS DNS benchmark

100.0%
Merge Rate
6h
First Review
100%
1st-Timers
0
Maintainers
A TierPython 1.0k

arabcoders/ytptube

A self-hosted media download manager, automation interface, and media library preparation layer for yt-dlp

96.6%
Merge Rate
7d
First Review
100%
1st-Timers
1
Maintainers
B TierScala 496

xebia-functional/fetch

Simple & Efficient data access for Scala and Scala.js

100.0%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
B TierJava 1.2k

oldratlee/fucking-java-concurrency

🎏 Simple showcases of java concurrency problems, seeing 🙈 is believing 🐵

81.8%
Merge Rate
6d
First Review
100%
1st-Timers
1
Maintainers
B TierGo 1.1k

nevalang/neva

Dataflow programming language where you write a program as a message-passing graph and everything runs in parallel by default. It has strong static types, compiles to machine code, interoperates with Go, and supports visual programming with a node editor. Extremely LLM-friendly too.

91.8%
Merge Rate
3d
First Review
100%
1st-Timers
1
Maintainers
B TierRust 2.4k

rtic-rs/rtic

Real-Time Interrupt-driven Concurrency (RTIC) framework for ARM Cortex-M microcontrollers

45.8%
Merge Rate
2d
First Review
50%
1st-Timers
1
Maintainers
B TierJava 424

softwaremill/jox

Virtual-thread based safe concurrency & streaming

83.3%
Merge Rate
15d
First Review
100%
1st-Timers
1
Maintainers
B TierGo 1.9k

destel/rill

Composable concurrency toolkit for Go

100.0%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
B TierRust 291

yaroslav/kino

A high-performance Ractor web server for Ruby 4.0+: Rack 3-based, with a Rust Tokio/Hyper front-end and Ractor-parallel Ruby workers and threaded fallback mode.

100.0%
Merge Rate
8d
First Review
100%
1st-Timers
1
Maintainers
B TierRust 474

pen-lang/pen

The parallel, concurrent, and functional programming language for scalable software development

96.0%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
Best Concurrency Open Source Repositories & C-Rank™ | GetMerged