PyRank
dpranke

json5

A Python implementation of the JSON5 data format
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

json5 has 52.7M monthly downloads and 282 GitHub stars. Version 0.15.0 supports Python 3.8.0+, first published in 2015.

It is actively maintained under a permissive license, last released in Jun 2026.

It is used by 481 tracked packages, including jupyterlab-server, crewai and djlint.

Downloads
Day
1.6M
Week
11.6M
Month
52.7M
Stars
282
Forks
34
Issues
7
Version
0.15.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
49
Adoption
70
Community
30
Provenance
0
How the maintenance status was determined
Last commit
12 days ago
Monthly downloads
52,658,249
• 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
52,658,249
Stars
282
Stars per 1k downloads
0.01
• 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
1,655,510
Month daily avg
1,755,275
Momentum
-5.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.8.0
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
Apache License 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
17 days ago
Total releases
55
Releases/year
4.9
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
16
Monthly downloads
52,658,249
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
33
 
Issue Burden
24.8
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
47.1%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 997.1K
Windows 38.8K
macOS 17.7K

Python Versions

3.10
30.1% 278.1K
3.12
28.9% 267.4K
3.11
19.5% 180.5K
3.13
13.3% 122.9K
3.8
8.1% 75.2K

Top Countries

1. US US
726.4K
2. IE IE
63.0K
3. GB GB
57.7K
4. NL NL
48.6K
5. SG SG
27.9K
6. DE DE
22.7K
7. IN IN
17.8K
8. BR BR
11.4K
9. JP JP
9.9K
10. FR FR
8.4K

Package Information

License
Apache License 2.0
First Release
March 26, 2015
Last Release
2 weeks ago
Last Commit
1 week ago
Latest Version
0.15.0
Total Releases
55
Contributors
16
Open PRs
0
Archived
No
Python Versions
3.8 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
py2 py3
Keywords
json5
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links