localstack

💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline

Known Vulnerability

The current version has a known security vulnerability. Review the advisory and consider upgrading.

Security Vulnerability PYSEC-2023-243

Source: osv.dev · Flagged: 1 month ago

localstack has 743K monthly downloads and 65K GitHub stars. Version 2026.6.1 supports Python 3.10+, first published in 2016.

Its repository is archived and was distributed under a permissive license, last released in Jul 2026.

It is built on top of asn1crypto, cachetools and click. It is used by 3 tracked packages, including localstack-extension-aws-proxy, localstack-extension-authress and localstack-extension-tailscale.

GitHub topics include aws, localstack and testing.

Provenance Mismatch

This package's publish attestation (PEP 740) proves it builds from localstack/localstack-cli-standalone, not the linked localstack/localstack. Stars and other GitHub metrics shown here come from the claimed repository.

Shared Repository

This package shares its GitHub repository (localstack/localstack) with 2 other packages. Stars, forks, and other GitHub metrics reflect the entire repository.

localstack-core (679.8K) localstack-ext (649.4K)

Downloads

Day

21.8K

Week

183.5K

Month

743.4K

Stars

65.1K

Forks

Issues

Version

Package Insights

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Community Favorite

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Score breakdown - each component scores 0-100, weighted by percentage

Maintenance

13

Popularity

97

Adoption

78

Community

50

Provenance

0

How the maintenance status was determined

Last commit

105 days ago

Monthly downloads

743,390

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

Repository is archived on GitHub — no further commits expected.

How the popularity category was determined

Monthly downloads

743,390

Stars

65,095

Stars per 1k downloads

87.57

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

26,217

Month daily avg

24,780

Momentum

+5.8%

((week_daily_avg - month_daily_avg) / month_daily_avg) * 100

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Release Cadence

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Contributor Risk

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Python version support tiers

requires_python

>=3.10

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

Apache-2.0

• 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

5 days ago

Total releases

538

Releases/year

55.5

• 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

617

Monthly downloads

743,390

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

42

Issue Burden

0.0

per 1k stars

Discussions

0.0

per 1k stars

Fork Ratio

13.0%

contrib / forks

Stale Release

No

PR Velocity

Quiet

Weekly Downloads

Last 7 days

183,517

Last 30 days

755,485

Peak day (2026-04-30)

66,139

2026-03-26 – 2026-07-03. Enable JavaScript for the interactive chart.

GitHub Stars

Current

65,095

Earliest (2026-01-14)

64,056

Change

+1,039

2026-01-14 – 2026-07-05. Enable JavaScript for the interactive chart.

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 17.5K

Windows 65

macOS 51

Python Versions

3.8

42.0% 6.9K

3.12

29.5% 4.9K

3.11

17.4% 2.9K

3.13

6.9% 1.1K

3.9

4.3% 705

Top Countries

1.

US

11.3K

2.

GB

3.5K

3.

SG

1.2K

4.

AU

748

5.

NL

384

6.

IE

111

7.

DE

110

8.

HK

75

9.

IN

48

10.

SE

30

Dependencies

20

24 optional dependencies

boto3[dev]
boto3[test]
cbor2[test]
cbor2[dev]
flask[dev]
flask[test]
hypercorn[test]
hypercorn[dev]
jsonpatch[test]
jsonpatch[dev]
libcst[dev]
plux[dev]
pre-commit[dev]
pytest[test]
pytest[dev]
pytest-httpserver[test]
pytest-httpserver[dev]
pytest-tinybird[dev]
pytest-tinybird[test]
rolo[test]
rolo[dev]
ruff[dev]
xmltodict[dev]
xmltodict[test]

Used By

3

GitHub Topics

Tags from the package's GitHub repository describing what it does.

Aws Localstack Testing Continuous Integration Developer Tools Python Cloud

Package Information

License

Apache-2.0

First Release

October 26, 2016

Last Release

5 days ago

Last Commit

3 months ago

Latest Version

2026.6.1

Total Releases

538

Contributors

617

Open PRs

0

Archived

Yes

Python Versions

3 3.10 3.11 3.12 3.13

Wheels

py3

Tracking Since

January 6, 2026

Data Updated

July 5, 2026

Data Freshness

Fresh

Links

localstack/localstack