No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
kombu has 57.7M monthly downloads and 3K GitHub stars. Version 5.6.2 supports Python 3.9+, first published in 2010.
It is actively maintained under a permissive license, last released in Dec 2025.
It is built on top of amqp, packaging and tzdata. It is used by 176 tracked packages, including celery, dvc and dvc-task.
GitHub topics include celery, messaging and message-queue.
Package Insights
Package Risks
- No releases in 186 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
78
Adoption
70
Community
100
Provenance
0
How the maintenance status was determined
Last commit
2 days ago
Monthly downloads
57,701,615
•
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
57,701,615
Stars
3,127
Stars per 1k downloads
0.05
•
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
1,770,438
Month daily avg
1,923,387
Momentum
-8.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.9
Cutting Edge
Minimum supported version is 3.12 or newer
•
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
BSD-3-Clause
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
189 days ago
Total releases
205
Releases/year
12.8
•
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
403
Monthly downloads
57,701,615
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
97
Issue Burden
51.2
per 1k stars
Discussions
18.2
per 1k stars
Fork Ratio
40.2%
contrib / forks
Stale Release
186d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
995.0K
Windows
8.5K
macOS
5.3K
Python Versions
3.12
35.1%
333.6K
3.11
23.8%
226.0K
3.10
17.2%
163.6K
3.13
14.6%
138.3K
3.14
9.3%
88.8K
Top Countries
1.
US
811.5K
US
2.
IN
22.8K
IN
3.
DE
22.7K
DE
4.
PL
13.7K
PL
5.
FI
13.1K
FI
6.
SG
11.4K
SG
7.
GB
8.5K
GB
8.
NL
8.5K
NL
9.
AU
8.3K
AU
10.
IE
8.2K
IE
Dependencies
4
23 optional dependencies
- azure-identity[azurestoragequeues]
- azure-servicebus[azureservicebus]
- azure-storage-queue[azurestoragequeues]
- boto3[sqs]
- confluent-kafka[confluentkafka]
- google-cloud-monitoring[gcpubsub]
- google-cloud-pubsub[gcpubsub]
- grpcio[gcpubsub]
- kazoo[zookeeper]
- librabbitmq[librabbitmq]
- msgpack[msgpack]
- protobuf[gcpubsub]
- pycurl[sqs]
- pymongo[mongodb]
- pyro4[pyro]
- python-consul2[consul]
- pyyaml[yaml]
- qpid-python[qpid]
- qpid-tools[qpid]
- redis[redis]
- softlayer-messaging[slmq]
- sqlalchemy[sqlalchemy]
- urllib3[sqs]
Used By
176
- celery
- dvc
- dvc-task
- pytest-celery
- oslo-messaging
- docassemble-webapp
- endoreg-db
- udata
- pretix
- reana-commons
- oarepo
- edc
- sentry
- osism
- opentakserver
- arthexis
- deepomatic-rpc
- lemur
- django-cqrs
- django-celery-token-bucket
- misago
- wifi-densepose
- protollm
- fagoon-upgrade
- vantage6-server
- optimuspyspark
- oops-amqp
- faradaysec
- sharedkernel
- celery-salt
- galaxy-app
- clink
- osymandias
- centurion-erp
- jinjamator
- vantage6-hq
- indico
- celery-pydantic
- protollm-sdk
- galaxy
- deepfos-celery
- crate-anon
- xtcryptosignals
- kadi
- pytest-celery-utils
- agency
- heat-tempest-plugin
- tchu-tchu
- consoleme
- django-simpletask5
Package Information
License
BSD-3-Clause
First Release
July 22, 2010
Last Release
6 months ago
Last Commit
3 days ago
Latest Version
5.6.2
Total Releases
205
Contributors
403
Open PRs
68
Archived
No
Author
Ask Solem
Python Versions
3
3.9
3.10
3.11
3.12
3.13
Wheels
py2
py27
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh