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Top 23 Python Concurrency Projects
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Project mention: Show HN: Sidequest.js – Background jobs for Node.js using your database | news.ycombinator.com | 2025-08-04
https://github.com/timgit/pg-boss https://github.com/hatchet-dev/hatchet are both on top of Postgres, but I like the SQLite here for a project I have in mind.
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rpmalloc
Public domain cross platform lock free thread caching 16-byte aligned memory allocator implemented in C
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pyper – Concurrent Python made simple
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Project mention: We Spent $20 to Achieve RCE and Accidentally Became the Admins of .MOBI | news.ycombinator.com | 2024-09-11
A friend of mine recently let the domain used for documentation of Pykka, a Python actor library, expire. Some of course registered the domain, resurected the content and injected ads/spam/SEO junk.
Since the documentation is Apache License 2.0 there isn't much one can do, other than complain to the hosting about misuse of the project name/branding. But so far we haven't heard back from the hosting provider's abuse contact point (https://github.com/jodal/pykka/issues/216 if anyone is interested).
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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django-concurrency
Optimistic lock implementation for Django. Prevents users from doing concurrent editing.
Project mention: Gérer les Conflits de Concurrence dans Django avec `django-concurrency` | dev.to | 2024-11-19Code Source sur GitHub
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ytptube
A WebUI for yt-dlp with concurrent downloads support, presets and scheduled tasks and many more.
Project mention: YouTube DRM added on ALL videos with TV (TVHTML5) clients | news.ycombinator.com | 2025-03-10i have this tool which is a fork off from metube that has more features like task scheduling and presets. and notifications for automation
https://github.com/arabcoders/ytptube
i personally use it to drive my entire YouTube related tasks.
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Ignareo-ISML-auto-voter
Ignareo the Carillon, a web crawler/spider template of ultimate high concurrency built for leprechauns. Carillons as the best web spiders; Long live the golden years of leprechauns! (ISML=international saimoe; 2022 ISML is last ISML)
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librer
A cross-platform GUI file cataloging program with extensive customization options to suit user preferences. Highly optimized for multi-core parallel search speed, data integrity, and repository portability.
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AutoParaSelenium
A library to make concurrent selenium tests that automatically download and setup webdrivers
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Python Concurrency discussion
Python Concurrency related posts
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This Week In Python
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Show HN: Pyper – Concurrent Python Made Simple
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Gérer les Conflits de Concurrence dans Django avec `django-concurrency`
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Aiochan: CSP-Style Concurrency for Python
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Mpire: A Python package for easier and faster multiprocessing
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RYU Controller SDN
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asynchrony: asyncio Python framework for writing safe and fast concurrent code
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A note from our sponsor - SaaSHub
www.saashub.com | 1 Sep 2025
Index
What are some of the best open-source Concurrency projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | hatchet | 5,968 |
| 2 | example-code-2e | 3,716 |
| 3 | arq | 2,634 |
| 4 | rpmalloc | 2,337 |
| 5 | pyper | 1,465 |
| 6 | pykka | 1,285 |
| 7 | eventlet | 1,258 |
| 8 | vermin | 495 |
| 9 | django-concurrency | 457 |
| 10 | pyee | 402 |
| 11 | ytptube | 352 |
| 12 | think-async | 234 |
| 13 | Thespian Actor Library | 194 |
| 14 | Ignareo-ISML-auto-voter | 188 |
| 15 | aiochan | 172 |
| 16 | lox | 125 |
| 17 | python-performance | 103 |
| 18 | asyncpal | 48 |
| 19 | librer | 44 |
| 20 | snapchat-memory-fetcher | 30 |
| 21 | pyeventbus | 18 |
| 22 | asynchrony | 18 |
| 23 | AutoParaSelenium | 9 |
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