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Top 23 Queue Open-Source Projects
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Redisson
Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..
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Project mention: Building a Dead Letter Queue for Shopify Webhooks (Production-Ready Guide) | dev.to | 2026-05-18
Bull Queue Documentation
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Project mention: Oban, the job processing framework from Elixir, has come to Python | news.ycombinator.com | 2026-01-28
Resque was the main inspiration, Sidekiq still provides compatibility with some of its APIs to this day.
https://github.com/sidekiq/sidekiq/blob/ba8b8fc8d81ac8f57a55...
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Project mention: Oban, the job processing framework from Elixir, has come to Python | news.ycombinator.com | 2026-01-28
For an even lighter system than Celery, I'm a big fan of
https://python-rq.org/
It's super low on the dependencies and integrates nicely as a library into python applications. It's very bare bones.
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Hangfire
An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required
Project mention: Queue-Based Exponential Backoff: A Resilient Retry Pattern for Distributed Systems | dev.to | 2025-10-20Hangfire (.NET) - Background job processing
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Project mention: Develop Software When Your AI Model Starts Acting Like a Teammate | dev.to | 2026-02-17
Finally, AI product flows almost always need background work. Summaries, indexing, webhooks, retries, and scheduled maintenance are job-shaped problems. The scheduler we rely on is based on MongoDB and Agenda, and the upstream project is well documented. If you want to understand the model of recurring jobs and locking, Agenda’s official repository is the clearest reference.
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Resque
Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.
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The gist
BullMQ - Message Queue and Batch processing for NodeJS, Python, Elixir and PHP based on Redis
Category: Job Queue and Task Scheduler License: MIT Website: bullmq.io
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Project mention: Would the .NET community benefit from an open-source MassTransit fork? | news.ycombinator.com | 2025-10-24
“MassTransit is the trusted messaging framework powering mission-critical applications…”
https://masstransit.io/
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Hatchet | Full-Stack Engineer | NYC or SF or REMOTE (US and EU) | https://hatchet.run
Hey HN! I'm Alexander, one of the founders of Hatchet. Hatchet is an open-source platform for running background jobs at scale.
We're hiring engineers who are excited to build the next class of engineering primitives, starting with queues, background tasks and durable execution. We started in early 2024 after launching our distributed task queue (https://news.ycombinator.com/item?id=39643136).
Hatchet is currently used by thousands of engineers for all kinds of workloads: log ingestion pipelines, code review agents, video encoding, GPU scheduling, etc. Our target customer is fast-growing startups who have a strong need for background jobs system. These days, that tends to be AI companies, though we're general-purpose and not exclusively targeted for AI workloads.
Stack: Postgres, Go, Typescript, React, Kubernetes
Applying: email me at alexander@hatchet.run and tell me about something impressive you've built, along with your CV and why you're interested in Hatchet.
Note that we're fully open-source, which you can check out here: https://github.com/hatchet-dev/hatchet (and if you have thoughts / opinions / questions about the codebase, please include those in your note!)
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CAP
Distributed transaction solution in micro-service base on eventually consistency, also an eventbus with Outbox pattern (by dotnetcore)
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boltons
🔩 Like builtins, but boltons. 250+ constructs, recipes, and snippets which extend (and rely on nothing but) the Python standard library. Nothing like Michael Bolton.
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algodeck
An Open-Source Collection of Flash Cards to Help You Preparing Your Algorithms & Data Structures and System Design Interviews 💯
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Project mention: I Rewrote My MCP Documentation Server in Go and Dropped 3 Containers | dev.to | 2026-03-31
The entire stack is one Go binary plus PostgreSQL. PostgreSQL handles the database, full-text search (tsvector/tsquery + pg_trgm), and the job queue (River). The binary includes the HTTP server, queue workers, and a scheduler for periodic jobs — git syncs, archive discovery, token cleanup.
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Jocko
Kafka implemented in Golang with built-in coordination (No ZK dep, single binary install, Cloud Native)
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Project mention: CLAUDE.md for Swift and iOS: 13 Rules That Stop AI From Writing Unsafe, Non-Idiomatic Apple Code | dev.to | 2026-05-07
// Package.swift .package(url: "https://github.com/apple/swift-collections", from: "1.1.0"),
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Coravel
Near-zero config .NET library that makes advanced application features like Task Scheduling, Caching, Queuing, Event Broadcasting, and more a breeze!
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).
Queue discussion
Queue related posts
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Show HN: Lightweight Task queue on Erlang/OTP, SQLite-backed, no overengineering
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How I Built an Open-Source Social Media Scheduler with Laravel
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Show HN: Diom – Back end primitives (queue, rate limit, etc.) in one Rust binary
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Building a Dead Letter Queue for Shopify Webhooks (Production-Ready Guide)
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Laravel Horizon in Production: Configuring AI Queue Workloads That Actually Hold
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Show HN: Diom – Open-source back end primitives with no runtime dependencies
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Show HN: PgQueuer v1.0 – Python job queue using only PostgreSQ
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Index
What are some of the best open-source Queue projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | nsq | 25,733 |
| 2 | Redisson | 24,355 |
| 3 | gods | 17,437 |
| 4 | bull | 16,245 |
| 5 | Sidekiq | 13,536 |
| 6 | rq | 10,650 |
| 7 | Hangfire | 10,078 |
| 8 | agenda | 9,674 |
| 9 | Resque | 9,480 |
| 10 | The gist | 8,985 |
| 11 | machinery | 7,955 |
| 12 | MassTransit | 7,757 |
| 13 | hatchet | 7,330 |
| 14 | CAP | 7,088 |
| 15 | boltons | 6,896 |
| 16 | huey | 5,973 |
| 17 | algodeck | 5,824 |
| 18 | river | 5,200 |
| 19 | Jocko | 5,008 |
| 20 | Delayed::Job | 4,822 |
| 21 | PHP AMQP | 4,595 |
| 22 | swift-collections | 4,426 |
| 23 | Coravel | 4,285 |
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