Kombu
Python messaging library for task queues, supporting multiple brokers and transports.
Jobs, queues and workflows PyPI BSD-3-Clause
How Kombu is used
Kombu is a dependency in 7 of the 6,208 public GitHub projects set up for AI coding agents that we scanned, too few to describe it from them alone. Our scan also samples projects by dependency (Solana 2,661, Ethereum and EVM 1,496, 3D and games 2,818, agent frameworks and SDKs 10,983); counting those, it appears in 50 projects, and what it is used with below comes from all of them. The most used alternative in our scan is Celery (36 projects). Projects that use it most often also use Celery (100.0%), python-dotenv (90.0%), Requests (86.0%).
Kombu popularity over time
Gid Score 56: downloads 86, use in agent projects 41, GitHub stars 31, downloads trend 55 (each 0-100). How it is calculated.
Often used with Kombu
| Celery | 100.0% of Kombu projects · 172.4× more than average |
|---|---|
| python-dotenv | 90.0% of Kombu projects · 9.8× more than average |
| Requests | 86.0% of Kombu projects · 12.7× more than average |
| Pydantic | 82.0% of Kombu projects · 9.5× more than average |
| redis (Python) | 82.0% of Kombu projects · 41.1× more than average |
| aiohttp | 80.0% of Kombu projects · 38.8× more than average |
| Billiard | 80.0% of Kombu projects · 1655.5× more than average |
| NumPy | 80.0% of Kombu projects · 13.7× more than average |
From all 50 projects in our scan that use Kombu, including the dependency samples.
How Kombu is funded
Open Collective: Celery
| Received, last 12 months | $14,038 Oct 2025 – Sep 2026 |
|---|---|
| Estimated annual budget | $15,860 Open Collective's estimate |
| Balance | $5,865 |
| Raised since the start | $93,359 · $87,494 paid out |
| Typical month median, last 12 months | $989 · $902 over 24 months |
| Last 12 months vs the 12 before | +30% |
| Contributors, last 12 months | 20 |
Top company backers all time, 29 companies in total
| Fornex Hosting S. L. | $9,300 since Feb 2019 |
|---|---|
| EthicalAds | $6,440 since Aug 2020 |
| Spacinov | $5,800 since Dec 2021 |
| GitGuardian | $3,850 since Feb 2020 |
| cmplid:// | $3,200 since Nov 2020 |
Oct 2021Sep 2026
Money by month, last five years. First money received in Apr 2018. The typical month is the median: one big one-off donation does not move it.
The same collective is named by 3 more tools in our catalog: Celery, amqp, Billiard.
USD after payment processor fees, as Open Collective reports it; fiscal host Open Source Collective. Source
Ways to fund Kombu
Patreon Open Collective Tidelift
As the maintainers list them in FUNDING.yml on GitHub. Checked Oct 20, 2026.
Install
| Package | pip install kombu |
|---|---|
| Main stacks | Python (47), React Native / Expo (2), Next.js (1) |
| Example projects | GeotrekCE/Geotrek-admin, owenliang/openclaw, paper-submission-anoymous/webtactix, breatheco-de/apiv2, snyk-labs/ai-promoter |
Alternatives to Kombu
Tools that do the same job, so a project picks one or the other. Add-ons and libraries used alongside Kombu are not listed here; they are in "Often used with".
| Tool | Gid Score | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|---|
| Celery pypi Distributed task queue for Python executing jobs asynchronously across workers. |
69 | 36 (2.2%) | 11.5M | 29K | BSD-3-Clause |
| Huey pypi · new in the catalog Small task queue for Python with Redis or SQLite. |
46 | 3 (0.2%) | 3.1M | 6,054 | MIT |
| Apache Pulsar pypi Python client for Apache Pulsar messaging and event streaming platform. |
42 | 0 (0.0%) | 210K | — | Apache License v2.0 |
More in Jobs, queues and workflows: APScheduler Croner node-cron BullMQ croniter Inngest schedule p-queue