No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
flask-babel has 16M monthly downloads and 452 GitHub stars. Version 4.0.0 supports Python >=3.8,<4.0, first published in 2010.
It is showing limited recent maintenance under a permissive license, last released in Oct 2023.
It is built on top of babel, flask and jinja2. It is used by 131 tracked packages, including visualdl, invenio-i18n and fava.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
10
Popularity
59
Adoption
70
Community
75
Provenance
0
How the maintenance status was determined
Last commit
748 days ago
Monthly downloads
15,986,438
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
15,986,438
Stars
452
Stars per 1k downloads
0.03
•
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
523,207
Month daily avg
532,881
Momentum
-1.8%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.8,<4.0
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
1009 days ago
Total releases
4
Releases/year
0.2
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
43
Monthly downloads
15,986,438
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
70
Issue Burden
31.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
26.4%
contrib / forks
Stale Release
261d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
382.1K
Windows
1.6K
macOS
550
Python Versions
3.10
47.0%
173.6K
3.11
18.9%
70.0K
3.12
17.8%
65.9K
3.13
9.7%
35.9K
3.14
6.5%
24.0K
Top Countries
1.
US
283.7K
US
2.
NL
15.2K
NL
3.
IE
12.7K
IE
4.
IN
9.0K
IN
5.
SG
8.5K
SG
6.
DE
7.7K
DE
7.
RU
6.6K
RU
8.
CN
3.1K
CN
9.
BR
2.8K
BR
10.
CH
2.5K
CH
Used By
131
- visualdl
- invenio-i18n
- fava
- changedetection-io
- docassemble-webapp
- hiddifypanel
- flask-security-invenio
- calibreweb
- libretranslate
- udata
- pgadmin4
- octoprint
- spkrepo
- scout-browser
- pyarchinit-mini
- oarepo
- flask-babel-js
- geo-activity-playground
- privacyidea
- abilian-core
- mentat-ng
- mwgencode
- frasco
- mrx-aniworld
- platzky
- abilian-sbe
- chanjo-report
- pyload-ng
- opentakserver
- fittrackee
- funding-service-design-utils
- goodmap
- flask-wiki
- shelfcms
- castmail2list
- indico
- codex-of-the-damned
- crossword-puzzle
- flask-unchained
- elemental-cms
- coati-payroll
- now-lms
- pikaraoke
- taxhub
- auth-playground
- anteumbra
- edumfa
- superset-wfs-dialect
- forge-event-chain
- yaffo
Package Information
License
BSD-3-Clause
First Release
May 30, 2010
Last Release
2 years ago
Last Commit
2 years ago
Latest Version
4.0.0
Total Releases
4
Contributors
43
Open PRs
6
Archived
No
Author
Armin Ronacher
Python Versions
3
3.8
3.9
3.10
3.11
Wheels
py2
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh